diff --git a/encodings/alp/src/alp/array.rs b/encodings/alp/src/alp/array.rs
index 4d9761180e8..011547720e4 100644
--- a/encodings/alp/src/alp/array.rs
+++ b/encodings/alp/src/alp/array.rs
@@ -17,6 +17,7 @@ use vortex_array::Precision;
 use vortex_array::ProstMetadata;
 use vortex_array::SerializeMetadata;
 use vortex_array::VectorExecutor;
+use vortex_array::buffer::BufferHandle;
 use vortex_array::patches::Patches;
 use vortex_array::patches::PatchesMetadata;
 use vortex_array::serde::ArrayChildren;
@@ -34,7 +35,6 @@ use vortex_array::vtable::VTable;
 use vortex_array::vtable::ValidityChild;
 use vortex_array::vtable::ValidityVTableFromChild;
 use vortex_array::vtable::VisitorVTable;
-use vortex_buffer::BufferHandle;
 use vortex_dtype::DType;
 use vortex_dtype::PType;
 use vortex_error::VortexError;
diff --git a/encodings/alp/src/alp_rd/array.rs b/encodings/alp/src/alp_rd/array.rs
index fd767f9e01c..408b2366ddd 100644
--- a/encodings/alp/src/alp_rd/array.rs
+++ b/encodings/alp/src/alp_rd/array.rs
@@ -18,6 +18,7 @@ use vortex_array::ProstMetadata;
 use vortex_array::SerializeMetadata;
 use vortex_array::ToCanonical;
 use vortex_array::arrays::PrimitiveArray;
+use vortex_array::buffer::BufferHandle;
 use vortex_array::patches::Patches;
 use vortex_array::patches::PatchesMetadata;
 use vortex_array::serde::ArrayChildren;
@@ -37,7 +38,6 @@ use vortex_array::vtable::ValidityChild;
 use vortex_array::vtable::ValidityVTableFromChild;
 use vortex_array::vtable::VisitorVTable;
 use vortex_buffer::Buffer;
-use vortex_buffer::BufferHandle;
 use vortex_dtype::DType;
 use vortex_dtype::Nullability;
 use vortex_dtype::PType;
diff --git a/encodings/bytebool/src/array.rs b/encodings/bytebool/src/array.rs
index f40d7424783..0227c285da3 100644
--- a/encodings/bytebool/src/array.rs
+++ b/encodings/bytebool/src/array.rs
@@ -15,6 +15,7 @@ use vortex_array::EmptyMetadata;
 use vortex_array::IntoArray;
 use vortex_array::Precision;
 use vortex_array::arrays::BoolArray;
+use vortex_array::buffer::BufferHandle;
 use vortex_array::serde::ArrayChildren;
 use vortex_array::stats::ArrayStats;
 use vortex_array::stats::StatsSetRef;
@@ -32,7 +33,6 @@ use vortex_array::vtable::ValidityHelper;
 use vortex_array::vtable::ValidityVTableFromValidityHelper;
 use vortex_array::vtable::VisitorVTable;
 use vortex_buffer::BitBuffer;
-use vortex_buffer::BufferHandle;
 use vortex_buffer::ByteBuffer;
 use vortex_dtype::DType;
 use vortex_error::VortexExpect;
diff --git a/encodings/datetime-parts/src/array.rs b/encodings/datetime-parts/src/array.rs
index 41bf19bb0ce..7cd732e1aa1 100644
--- a/encodings/datetime-parts/src/array.rs
+++ b/encodings/datetime-parts/src/array.rs
@@ -16,6 +16,7 @@ use vortex_array::Precision;
 use vortex_array::ProstMetadata;
 use vortex_array::SerializeMetadata;
 use vortex_array::arrays::TemporalArray;
+use vortex_array::buffer::BufferHandle;
 use vortex_array::serde::ArrayChildren;
 use vortex_array::stats::ArrayStats;
 use vortex_array::stats::StatsSetRef;
@@ -30,7 +31,6 @@ use vortex_array::vtable::VTable;
 use vortex_array::vtable::ValidityChild;
 use vortex_array::vtable::ValidityVTableFromChild;
 use vortex_array::vtable::VisitorVTable;
-use vortex_buffer::BufferHandle;
 use vortex_dtype::DType;
 use vortex_dtype::Nullability;
 use vortex_dtype::PType;
diff --git a/encodings/decimal-byte-parts/src/decimal_byte_parts/mod.rs b/encodings/decimal-byte-parts/src/decimal_byte_parts/mod.rs
index f7dd0fee93c..462fb2aefc1 100644
--- a/encodings/decimal-byte-parts/src/decimal_byte_parts/mod.rs
+++ b/encodings/decimal-byte-parts/src/decimal_byte_parts/mod.rs
@@ -21,6 +21,7 @@ use vortex_array::ProstMetadata;
 use vortex_array::SerializeMetadata;
 use vortex_array::ToCanonical;
 use vortex_array::arrays::DecimalArray;
+use vortex_array::buffer::BufferHandle;
 use vortex_array::serde::ArrayChildren;
 use vortex_array::stats::ArrayStats;
 use vortex_array::stats::StatsSetRef;
@@ -37,7 +38,6 @@ use vortex_array::vtable::ValidityChild;
 use vortex_array::vtable::ValidityHelper;
 use vortex_array::vtable::ValidityVTableFromChild;
 use vortex_array::vtable::VisitorVTable;
-use vortex_buffer::BufferHandle;
 use vortex_dtype::DType;
 use vortex_dtype::DecimalDType;
 use vortex_dtype::PType;
diff --git a/encodings/fastlanes/src/bitpacking/vtable/mod.rs b/encodings/fastlanes/src/bitpacking/vtable/mod.rs
index 855b298a7fa..b3da8310e28 100644
--- a/encodings/fastlanes/src/bitpacking/vtable/mod.rs
+++ b/encodings/fastlanes/src/bitpacking/vtable/mod.rs
@@ -6,6 +6,7 @@ use vortex_array::DeserializeMetadata;
 use vortex_array::ExecutionCtx;
 use vortex_array::ProstMetadata;
 use vortex_array::SerializeMetadata;
+use vortex_array::buffer::BufferHandle;
 use vortex_array::patches::Patches;
 use vortex_array::patches::PatchesMetadata;
 use vortex_array::serde::ArrayChildren;
@@ -17,7 +18,6 @@ use vortex_array::vtable::ArrayVTableExt;
 use vortex_array::vtable::NotSupported;
 use vortex_array::vtable::VTable;
 use vortex_array::vtable::ValidityVTableFromValidityHelper;
-use vortex_buffer::BufferHandle;
 use vortex_dtype::DType;
 use vortex_dtype::PType;
 use vortex_error::VortexError;
diff --git a/encodings/fastlanes/src/delta/vtable/mod.rs b/encodings/fastlanes/src/delta/vtable/mod.rs
index bde78a1220a..adfbc9057ca 100644
--- a/encodings/fastlanes/src/delta/vtable/mod.rs
+++ b/encodings/fastlanes/src/delta/vtable/mod.rs
@@ -10,6 +10,7 @@ use vortex_array::ArrayRef;
 use vortex_array::ExecutionCtx;
 use vortex_array::ProstMetadata;
 use vortex_array::VectorExecutor;
+use vortex_array::buffer::BufferHandle;
 use vortex_array::serde::ArrayChildren;
 use vortex_array::vtable;
 use vortex_array::vtable::ArrayId;
@@ -18,7 +19,6 @@ use vortex_array::vtable::ArrayVTableExt;
 use vortex_array::vtable::NotSupported;
 use vortex_array::vtable::VTable;
 use vortex_array::vtable::ValidityVTableFromChildSliceHelper;
-use vortex_buffer::BufferHandle;
 use vortex_dtype::DType;
 use vortex_dtype::NativePType;
 use vortex_dtype::PType;
diff --git a/encodings/fastlanes/src/for/vtable/mod.rs b/encodings/fastlanes/src/for/vtable/mod.rs
index e2bff6a6d36..07fc74d3d36 100644
--- a/encodings/fastlanes/src/for/vtable/mod.rs
+++ b/encodings/fastlanes/src/for/vtable/mod.rs
@@ -7,6 +7,7 @@ use std::fmt::Formatter;
 use vortex_array::ArrayRef;
 use vortex_array::DeserializeMetadata;
 use vortex_array::SerializeMetadata;
+use vortex_array::buffer::BufferHandle;
 use vortex_array::serde::ArrayChildren;
 use vortex_array::vtable;
 use vortex_array::vtable::ArrayId;
@@ -15,7 +16,6 @@ use vortex_array::vtable::ArrayVTableExt;
 use vortex_array::vtable::NotSupported;
 use vortex_array::vtable::VTable;
 use vortex_array::vtable::ValidityVTableFromChild;
-use vortex_buffer::BufferHandle;
 use vortex_dtype::DType;
 use vortex_error::VortexResult;
 use vortex_error::vortex_bail;
diff --git a/encodings/fastlanes/src/rle/vtable/mod.rs b/encodings/fastlanes/src/rle/vtable/mod.rs
index 8d08c3740cf..0aba9335fa9 100644
--- a/encodings/fastlanes/src/rle/vtable/mod.rs
+++ b/encodings/fastlanes/src/rle/vtable/mod.rs
@@ -4,6 +4,7 @@
 use prost::Message;
 use vortex_array::ArrayRef;
 use vortex_array::ProstMetadata;
+use vortex_array::buffer::BufferHandle;
 use vortex_array::serde::ArrayChildren;
 use vortex_array::vtable;
 use vortex_array::vtable::ArrayId;
@@ -12,7 +13,6 @@ use vortex_array::vtable::ArrayVTableExt;
 use vortex_array::vtable::NotSupported;
 use vortex_array::vtable::VTable;
 use vortex_array::vtable::ValidityVTableFromChildSliceHelper;
-use vortex_buffer::BufferHandle;
 use vortex_dtype::DType;
 use vortex_dtype::Nullability;
 use vortex_dtype::PType;
diff --git a/encodings/fsst/src/array.rs b/encodings/fsst/src/array.rs
index 337e06c8240..54a10fde1ce 100644
--- a/encodings/fsst/src/array.rs
+++ b/encodings/fsst/src/array.rs
@@ -24,6 +24,7 @@ use vortex_array::ProstMetadata;
 use vortex_array::SerializeMetadata;
 use vortex_array::arrays::VarBinArray;
 use vortex_array::arrays::VarBinVTable;
+use vortex_array::buffer::BufferHandle;
 use vortex_array::serde::ArrayChildren;
 use vortex_array::stats::ArrayStats;
 use vortex_array::stats::StatsSetRef;
@@ -39,7 +40,6 @@ use vortex_array::vtable::ValidityChild;
 use vortex_array::vtable::ValidityVTableFromChild;
 use vortex_array::vtable::VisitorVTable;
 use vortex_buffer::Buffer;
-use vortex_buffer::BufferHandle;
 use vortex_dtype::DType;
 use vortex_dtype::Nullability;
 use vortex_dtype::PType;
diff --git a/encodings/pco/src/array.rs b/encodings/pco/src/array.rs
index 71c2d4855e8..2b1220138a5 100644
--- a/encodings/pco/src/array.rs
+++ b/encodings/pco/src/array.rs
@@ -28,6 +28,7 @@ use vortex_array::ProstMetadata;
 use vortex_array::ToCanonical;
 use vortex_array::arrays::PrimitiveArray;
 use vortex_array::arrays::PrimitiveVTable;
+use vortex_array::buffer::BufferHandle;
 use vortex_array::compute::filter;
 use vortex_array::serde::ArrayChildren;
 use vortex_array::stats::ArrayStats;
@@ -47,7 +48,6 @@ use vortex_array::vtable::ValidityHelper;
 use vortex_array::vtable::ValiditySliceHelper;
 use vortex_array::vtable::ValidityVTableFromValiditySliceHelper;
 use vortex_array::vtable::VisitorVTable;
-use vortex_buffer::BufferHandle;
 use vortex_buffer::BufferMut;
 use vortex_buffer::ByteBuffer;
 use vortex_buffer::ByteBufferMut;
diff --git a/encodings/runend/src/array.rs b/encodings/runend/src/array.rs
index cc0fa9059e7..37546d04c46 100644
--- a/encodings/runend/src/array.rs
+++ b/encodings/runend/src/array.rs
@@ -16,6 +16,7 @@ use vortex_array::ProstMetadata;
 use vortex_array::SerializeMetadata;
 use vortex_array::ToCanonical;
 use vortex_array::arrays::PrimitiveVTable;
+use vortex_array::buffer::BufferHandle;
 use vortex_array::search_sorted::SearchSorted;
 use vortex_array::search_sorted::SearchSortedSide;
 use vortex_array::serde::ArrayChildren;
@@ -31,7 +32,6 @@ use vortex_array::vtable::CanonicalVTable;
 use vortex_array::vtable::NotSupported;
 use vortex_array::vtable::VTable;
 use vortex_array::vtable::ValidityVTable;
-use vortex_buffer::BufferHandle;
 use vortex_dtype::DType;
 use vortex_dtype::Nullability;
 use vortex_dtype::PType;
diff --git a/encodings/sequence/src/array.rs b/encodings/sequence/src/array.rs
index 7f86271b535..03bb2e6d165 100644
--- a/encodings/sequence/src/array.rs
+++ b/encodings/sequence/src/array.rs
@@ -16,6 +16,7 @@ use vortex_array::ProstMetadata;
 use vortex_array::SerializeMetadata;
 use vortex_array::arrays::FilterVTable;
 use vortex_array::arrays::PrimitiveArray;
+use vortex_array::buffer::BufferHandle;
 use vortex_array::serde::ArrayChildren;
 use vortex_array::stats::ArrayStats;
 use vortex_array::stats::StatsSetRef;
@@ -32,7 +33,6 @@ use vortex_array::vtable::OperationsVTable;
 use vortex_array::vtable::VTable;
 use vortex_array::vtable::ValidityVTable;
 use vortex_array::vtable::VisitorVTable;
-use vortex_buffer::BufferHandle;
 use vortex_buffer::BufferMut;
 use vortex_dtype::DType;
 use vortex_dtype::NativePType;
diff --git a/encodings/sparse/src/lib.rs b/encodings/sparse/src/lib.rs
index f35daa91cde..1cbaa5a992b 100644
--- a/encodings/sparse/src/lib.rs
+++ b/encodings/sparse/src/lib.rs
@@ -19,6 +19,7 @@ use vortex_array::Precision;
 use vortex_array::ProstMetadata;
 use vortex_array::ToCanonical;
 use vortex_array::arrays::ConstantArray;
+use vortex_array::buffer::BufferHandle;
 use vortex_array::compute::Operator;
 use vortex_array::compute::compare;
 use vortex_array::compute::fill_null;
@@ -42,7 +43,6 @@ use vortex_array::vtable::ValidityVTable;
 use vortex_array::vtable::VisitorVTable;
 use vortex_buffer::BitBufferMut;
 use vortex_buffer::Buffer;
-use vortex_buffer::BufferHandle;
 use vortex_buffer::ByteBufferMut;
 use vortex_dtype::DType;
 use vortex_dtype::NativePType;
diff --git a/encodings/zigzag/src/array.rs b/encodings/zigzag/src/array.rs
index bd556370430..83d15c5d7c8 100644
--- a/encodings/zigzag/src/array.rs
+++ b/encodings/zigzag/src/array.rs
@@ -15,6 +15,7 @@ use vortex_array::EmptyMetadata;
 use vortex_array::IntoArray;
 use vortex_array::Precision;
 use vortex_array::ToCanonical;
+use vortex_array::buffer::BufferHandle;
 use vortex_array::serde::ArrayChildren;
 use vortex_array::stats::ArrayStats;
 use vortex_array::stats::StatsSetRef;
@@ -31,7 +32,6 @@ use vortex_array::vtable::VTable;
 use vortex_array::vtable::ValidityChild;
 use vortex_array::vtable::ValidityVTableFromChild;
 use vortex_array::vtable::VisitorVTable;
-use vortex_buffer::BufferHandle;
 use vortex_dtype::DType;
 use vortex_dtype::PType;
 use vortex_dtype::match_each_unsigned_integer_ptype;
diff --git a/encodings/zstd/src/array.rs b/encodings/zstd/src/array.rs
index d36cda68b75..3b9a7c27623 100644
--- a/encodings/zstd/src/array.rs
+++ b/encodings/zstd/src/array.rs
@@ -22,6 +22,7 @@ use vortex_array::accessor::ArrayAccessor;
 use vortex_array::arrays::ConstantArray;
 use vortex_array::arrays::PrimitiveArray;
 use vortex_array::arrays::VarBinViewArray;
+use vortex_array::buffer::BufferHandle;
 use vortex_array::compute::filter;
 use vortex_array::serde::ArrayChildren;
 use vortex_array::stats::ArrayStats;
@@ -43,7 +44,6 @@ use vortex_array::vtable::ValidityVTableFromValiditySliceHelper;
 use vortex_array::vtable::VisitorVTable;
 use vortex_buffer::Alignment;
 use vortex_buffer::Buffer;
-use vortex_buffer::BufferHandle;
 use vortex_buffer::BufferMut;
 use vortex_buffer::ByteBuffer;
 use vortex_buffer::ByteBufferMut;
diff --git a/vortex-array/Cargo.toml b/vortex-array/Cargo.toml
index 5c690f768fb..f4a896caee1 100644
--- a/vortex-array/Cargo.toml
+++ b/vortex-array/Cargo.toml
@@ -67,7 +67,7 @@ vortex-mask = { workspace = true }
 vortex-proto = { workspace = true, features = ["expr"] }
 vortex-scalar = { workspace = true }
 vortex-session = { workspace = true }
-vortex-utils = { workspace = true }
+vortex-utils = { workspace = true, features = ["dyn-traits"] }
 vortex-vector = { workspace = true }
 
 [features]
diff --git a/vortex-array/src/arrays/bool/vtable/mod.rs b/vortex-array/src/arrays/bool/vtable/mod.rs
index 581d83d1649..7e5c49ff25e 100644
--- a/vortex-array/src/arrays/bool/vtable/mod.rs
+++ b/vortex-array/src/arrays/bool/vtable/mod.rs
@@ -2,7 +2,6 @@
 // SPDX-FileCopyrightText: Copyright the Vortex contributors
 
 use vortex_buffer::BitBuffer;
-use vortex_buffer::BufferHandle;
 use vortex_dtype::DType;
 use vortex_error::VortexExpect;
 use vortex_error::VortexResult;
@@ -15,6 +14,7 @@ use crate::DeserializeMetadata;
 use crate::ProstMetadata;
 use crate::SerializeMetadata;
 use crate::arrays::BoolArray;
+use crate::buffer::BufferHandle;
 use crate::executor::ExecutionCtx;
 use crate::serde::ArrayChildren;
 use crate::validity::Validity;
diff --git a/vortex-array/src/arrays/chunked/vtable/mod.rs b/vortex-array/src/arrays/chunked/vtable/mod.rs
index a24ad0c1360..7331561c00a 100644
--- a/vortex-array/src/arrays/chunked/vtable/mod.rs
+++ b/vortex-array/src/arrays/chunked/vtable/mod.rs
@@ -2,7 +2,6 @@
 // SPDX-FileCopyrightText: Copyright the Vortex contributors
 
 use itertools::Itertools;
-use vortex_buffer::BufferHandle;
 use vortex_dtype::DType;
 use vortex_dtype::Nullability;
 use vortex_dtype::PType;
@@ -19,6 +18,7 @@ use crate::ToCanonical;
 use crate::arrays::ChunkedArray;
 use crate::arrays::PrimitiveArray;
 use crate::arrays::chunked::vtable::rules::PARENT_RULES;
+use crate::buffer::BufferHandle;
 use crate::serde::ArrayChildren;
 use crate::validity::Validity;
 use crate::vtable;
diff --git a/vortex-array/src/arrays/constant/vtable/mod.rs b/vortex-array/src/arrays/constant/vtable/mod.rs
index c4c4fb24ef7..6e151e74e34 100644
--- a/vortex-array/src/arrays/constant/vtable/mod.rs
+++ b/vortex-array/src/arrays/constant/vtable/mod.rs
@@ -3,7 +3,6 @@
 
 use std::fmt::Debug;
 
-use vortex_buffer::BufferHandle;
 use vortex_dtype::DType;
 use vortex_error::VortexResult;
 use vortex_error::vortex_bail;
@@ -18,6 +17,7 @@ use crate::ArrayRef;
 use crate::EmptyMetadata;
 use crate::arrays::ConstantArray;
 use crate::arrays::constant::vtable::rules::PARENT_RULES;
+use crate::buffer::BufferHandle;
 use crate::executor::ExecutionCtx;
 use crate::serde::ArrayChildren;
 use crate::vtable;
diff --git a/vortex-array/src/arrays/decimal/vtable/mod.rs b/vortex-array/src/arrays/decimal/vtable/mod.rs
index 5688d1fa7fa..fc5986dd094 100644
--- a/vortex-array/src/arrays/decimal/vtable/mod.rs
+++ b/vortex-array/src/arrays/decimal/vtable/mod.rs
@@ -3,7 +3,6 @@
 
 use vortex_buffer::Alignment;
 use vortex_buffer::Buffer;
-use vortex_buffer::BufferHandle;
 use vortex_dtype::DType;
 use vortex_dtype::NativeDecimalType;
 use vortex_dtype::PrecisionScale;
@@ -20,6 +19,7 @@ use crate::DeserializeMetadata;
 use crate::ProstMetadata;
 use crate::SerializeMetadata;
 use crate::arrays::DecimalArray;
+use crate::buffer::BufferHandle;
 use crate::executor::ExecutionCtx;
 use crate::serde::ArrayChildren;
 use crate::validity::Validity;
diff --git a/vortex-array/src/arrays/dict/vtable/mod.rs b/vortex-array/src/arrays/dict/vtable/mod.rs
index 2727465c6bc..1bbaa9c4652 100644
--- a/vortex-array/src/arrays/dict/vtable/mod.rs
+++ b/vortex-array/src/arrays/dict/vtable/mod.rs
@@ -1,7 +1,6 @@
 // SPDX-License-Identifier: Apache-2.0
 // SPDX-FileCopyrightText: Copyright the Vortex contributors
 
-use vortex_buffer::BufferHandle;
 use vortex_compute::take::Take;
 use vortex_dtype::DType;
 use vortex_dtype::Nullability;
@@ -20,6 +19,7 @@ use crate::ProstMetadata;
 use crate::SerializeMetadata;
 use crate::VectorExecutor;
 use crate::arrays::vtable::rules::PARENT_RULES;
+use crate::buffer::BufferHandle;
 use crate::executor::ExecutionCtx;
 use crate::serde::ArrayChildren;
 use crate::vtable;
diff --git a/vortex-array/src/arrays/extension/vtable/mod.rs b/vortex-array/src/arrays/extension/vtable/mod.rs
index a8e457f5931..e0ad7be3597 100644
--- a/vortex-array/src/arrays/extension/vtable/mod.rs
+++ b/vortex-array/src/arrays/extension/vtable/mod.rs
@@ -8,7 +8,6 @@ mod rules;
 mod validity;
 mod visitor;
 
-use vortex_buffer::BufferHandle;
 use vortex_dtype::DType;
 use vortex_error::VortexExpect;
 use vortex_error::VortexResult;
@@ -21,6 +20,7 @@ use crate::EmptyMetadata;
 use crate::VectorExecutor;
 use crate::arrays::extension::ExtensionArray;
 use crate::arrays::extension::vtable::rules::PARENT_RULES;
+use crate::buffer::BufferHandle;
 use crate::executor::ExecutionCtx;
 use crate::serde::ArrayChildren;
 use crate::vtable;
diff --git a/vortex-array/src/arrays/filter/vtable.rs b/vortex-array/src/arrays/filter/vtable.rs
index 11f5e4106dd..a21c461474b 100644
--- a/vortex-array/src/arrays/filter/vtable.rs
+++ b/vortex-array/src/arrays/filter/vtable.rs
@@ -6,7 +6,6 @@ use std::fmt::Formatter;
 use std::hash::Hasher;
 use std::ops::Range;
 
-use vortex_buffer::BufferHandle;
 use vortex_compute::filter::Filter;
 use vortex_dtype::DType;
 use vortex_error::VortexExpect;
@@ -30,6 +29,7 @@ use crate::Precision;
 use crate::VectorExecutor;
 use crate::arrays::filter::array::FilterArray;
 use crate::arrays::filter::rules::PARENT_RULES;
+use crate::buffer::BufferHandle;
 use crate::executor::ExecutionCtx;
 use crate::serde::ArrayChildren;
 use crate::stats::StatsSetRef;
diff --git a/vortex-array/src/arrays/fixed_size_list/vtable/mod.rs b/vortex-array/src/arrays/fixed_size_list/vtable/mod.rs
index 7b2be007d8f..46ac077eb05 100644
--- a/vortex-array/src/arrays/fixed_size_list/vtable/mod.rs
+++ b/vortex-array/src/arrays/fixed_size_list/vtable/mod.rs
@@ -3,7 +3,6 @@
 
 use std::sync::Arc;
 
-use vortex_buffer::BufferHandle;
 use vortex_dtype::DType;
 use vortex_error::VortexExpect;
 use vortex_error::VortexResult;
@@ -16,6 +15,7 @@ use crate::ArrayRef;
 use crate::EmptyMetadata;
 use crate::VectorExecutor;
 use crate::arrays::FixedSizeListArray;
+use crate::buffer::BufferHandle;
 use crate::executor::ExecutionCtx;
 use crate::serde::ArrayChildren;
 use crate::validity::Validity;
diff --git a/vortex-array/src/arrays/list/vtable/mod.rs b/vortex-array/src/arrays/list/vtable/mod.rs
index 1dec5725102..48fb78c7e43 100644
--- a/vortex-array/src/arrays/list/vtable/mod.rs
+++ b/vortex-array/src/arrays/list/vtable/mod.rs
@@ -1,7 +1,6 @@
 // SPDX-License-Identifier: Apache-2.0
 // SPDX-FileCopyrightText: Copyright the Vortex contributors
 
-use vortex_buffer::BufferHandle;
 use vortex_dtype::DType;
 use vortex_dtype::Nullability;
 use vortex_dtype::PType;
@@ -16,6 +15,7 @@ use crate::ExecutionCtx;
 use crate::ProstMetadata;
 use crate::arrays::ListArray;
 use crate::arrays::list::vtable::kernel::PARENT_KERNELS;
+use crate::buffer::BufferHandle;
 use crate::metadata::DeserializeMetadata;
 use crate::metadata::SerializeMetadata;
 use crate::serde::ArrayChildren;
diff --git a/vortex-array/src/arrays/listview/vtable/mod.rs b/vortex-array/src/arrays/listview/vtable/mod.rs
index 33917a8b62a..47f7545d266 100644
--- a/vortex-array/src/arrays/listview/vtable/mod.rs
+++ b/vortex-array/src/arrays/listview/vtable/mod.rs
@@ -3,7 +3,6 @@
 
 use std::sync::Arc;
 
-use vortex_buffer::BufferHandle;
 use vortex_dtype::DType;
 use vortex_dtype::Nullability;
 use vortex_dtype::PType;
@@ -21,6 +20,7 @@ use crate::SerializeMetadata;
 use crate::VectorExecutor;
 use crate::arrays::ListViewArray;
 use crate::arrays::listview::vtable::rules::PARENT_RULES;
+use crate::buffer::BufferHandle;
 use crate::executor::ExecutionCtx;
 use crate::serde::ArrayChildren;
 use crate::validity::Validity;
diff --git a/vortex-array/src/arrays/masked/vtable/mod.rs b/vortex-array/src/arrays/masked/vtable/mod.rs
index bb19e24d99d..213b3a02255 100644
--- a/vortex-array/src/arrays/masked/vtable/mod.rs
+++ b/vortex-array/src/arrays/masked/vtable/mod.rs
@@ -6,7 +6,6 @@ mod canonical;
 mod operations;
 mod validity;
 
-use vortex_buffer::BufferHandle;
 use vortex_dtype::DType;
 use vortex_error::VortexExpect;
 use vortex_error::VortexResult;
@@ -21,6 +20,7 @@ use crate::ArrayRef;
 use crate::EmptyMetadata;
 use crate::VectorExecutor;
 use crate::arrays::masked::MaskedArray;
+use crate::buffer::BufferHandle;
 use crate::executor::ExecutionCtx;
 use crate::serde::ArrayChildren;
 use crate::validity::Validity;
diff --git a/vortex-array/src/arrays/null/mod.rs b/vortex-array/src/arrays/null/mod.rs
index 6954de51ca6..adb5b72b35c 100644
--- a/vortex-array/src/arrays/null/mod.rs
+++ b/vortex-array/src/arrays/null/mod.rs
@@ -4,7 +4,6 @@
 use std::hash::Hash;
 use std::ops::Range;
 
-use vortex_buffer::BufferHandle;
 use vortex_dtype::DType;
 use vortex_error::VortexResult;
 use vortex_error::vortex_ensure;
@@ -20,6 +19,7 @@ use crate::Canonical;
 use crate::EmptyMetadata;
 use crate::IntoArray;
 use crate::Precision;
+use crate::buffer::BufferHandle;
 use crate::executor::ExecutionCtx;
 use crate::serde::ArrayChildren;
 use crate::stats::ArrayStats;
diff --git a/vortex-array/src/arrays/primitive/vtable/mod.rs b/vortex-array/src/arrays/primitive/vtable/mod.rs
index 41f73821fb2..af993391090 100644
--- a/vortex-array/src/arrays/primitive/vtable/mod.rs
+++ b/vortex-array/src/arrays/primitive/vtable/mod.rs
@@ -3,7 +3,6 @@
 
 use vortex_buffer::Alignment;
 use vortex_buffer::Buffer;
-use vortex_buffer::BufferHandle;
 use vortex_dtype::DType;
 use vortex_dtype::PType;
 use vortex_dtype::match_each_native_ptype;
@@ -16,6 +15,7 @@ use vortex_vector::primitive::PVector;
 use crate::ArrayRef;
 use crate::EmptyMetadata;
 use crate::arrays::PrimitiveArray;
+use crate::buffer::BufferHandle;
 use crate::executor::ExecutionCtx;
 use crate::serde::ArrayChildren;
 use crate::validity::Validity;
diff --git a/vortex-array/src/arrays/scalar_fn/vtable/mod.rs b/vortex-array/src/arrays/scalar_fn/vtable/mod.rs
index 8b25dd32923..15a091f325e 100644
--- a/vortex-array/src/arrays/scalar_fn/vtable/mod.rs
+++ b/vortex-array/src/arrays/scalar_fn/vtable/mod.rs
@@ -11,7 +11,6 @@ use std::marker::PhantomData;
 use std::ops::Deref;
 
 use itertools::Itertools;
-use vortex_buffer::BufferHandle;
 use vortex_dtype::DType;
 use vortex_error::VortexExpect;
 use vortex_error::VortexResult;
@@ -29,6 +28,7 @@ use crate::arrays::scalar_fn::array::ScalarFnArray;
 use crate::arrays::scalar_fn::metadata::ScalarFnMetadata;
 use crate::arrays::scalar_fn::rules::PARENT_RULES;
 use crate::arrays::scalar_fn::rules::RULES;
+use crate::buffer::BufferHandle;
 use crate::executor::ExecutionCtx;
 use crate::expr;
 use crate::expr::ExecutionArgs;
diff --git a/vortex-array/src/arrays/struct_/vtable/mod.rs b/vortex-array/src/arrays/struct_/vtable/mod.rs
index 1b946a38c26..63b0e80d425 100644
--- a/vortex-array/src/arrays/struct_/vtable/mod.rs
+++ b/vortex-array/src/arrays/struct_/vtable/mod.rs
@@ -4,7 +4,6 @@
 use std::sync::Arc;
 
 use itertools::Itertools;
-use vortex_buffer::BufferHandle;
 use vortex_dtype::DType;
 use vortex_error::VortexExpect;
 use vortex_error::VortexResult;
@@ -18,6 +17,7 @@ use crate::EmptyMetadata;
 use crate::VectorExecutor;
 use crate::arrays::struct_::StructArray;
 use crate::arrays::struct_::vtable::rules::PARENT_RULES;
+use crate::buffer::BufferHandle;
 use crate::executor::ExecutionCtx;
 use crate::serde::ArrayChildren;
 use crate::validity::Validity;
diff --git a/vortex-array/src/arrays/varbin/vtable/mod.rs b/vortex-array/src/arrays/varbin/vtable/mod.rs
index c3ec946f839..5e15bccabd4 100644
--- a/vortex-array/src/arrays/varbin/vtable/mod.rs
+++ b/vortex-array/src/arrays/varbin/vtable/mod.rs
@@ -1,7 +1,6 @@
 // SPDX-License-Identifier: Apache-2.0
 // SPDX-FileCopyrightText: Copyright the Vortex contributors
 
-use vortex_buffer::BufferHandle;
 use vortex_dtype::DType;
 use vortex_dtype::Nullability;
 use vortex_dtype::PType;
@@ -15,6 +14,7 @@ use crate::DeserializeMetadata;
 use crate::ProstMetadata;
 use crate::SerializeMetadata;
 use crate::arrays::varbin::VarBinArray;
+use crate::buffer::BufferHandle;
 use crate::serde::ArrayChildren;
 use crate::validity::Validity;
 use crate::vtable;
diff --git a/vortex-array/src/arrays/varbinview/vtable/mod.rs b/vortex-array/src/arrays/varbinview/vtable/mod.rs
index 172ba0299fd..508bc48b4e1 100644
--- a/vortex-array/src/arrays/varbinview/vtable/mod.rs
+++ b/vortex-array/src/arrays/varbinview/vtable/mod.rs
@@ -4,7 +4,6 @@
 use std::sync::Arc;
 
 use vortex_buffer::Buffer;
-use vortex_buffer::BufferHandle;
 use vortex_buffer::ByteBuffer;
 use vortex_dtype::DType;
 use vortex_error::VortexExpect;
@@ -19,6 +18,7 @@ use vortex_vector::binaryview::StringVector;
 use crate::ArrayRef;
 use crate::EmptyMetadata;
 use crate::arrays::varbinview::VarBinViewArray;
+use crate::buffer::BufferHandle;
 use crate::executor::ExecutionCtx;
 use crate::serde::ArrayChildren;
 use crate::validity::Validity;
diff --git a/vortex-array/src/arrow/array.rs b/vortex-array/src/arrow/array.rs
index 4cb469fcb77..b724114fec3 100644
--- a/vortex-array/src/arrow/array.rs
+++ b/vortex-array/src/arrow/array.rs
@@ -7,7 +7,6 @@ use std::ops::Range;
 
 use arrow_array::ArrayRef as ArrowArrayRef;
 use vortex_buffer::BitBuffer;
-use vortex_buffer::BufferHandle;
 use vortex_dtype::DType;
 use vortex_dtype::Nullability;
 use vortex_dtype::arrow::FromArrowType;
@@ -28,6 +27,7 @@ use crate::IntoArray;
 use crate::Precision;
 use crate::arrays::BoolArray;
 use crate::arrow::FromArrowArray;
+use crate::buffer::BufferHandle;
 use crate::serde::ArrayChildren;
 use crate::stats::ArrayStats;
 use crate::stats::StatsSetRef;
diff --git a/vortex-array/src/buffer.rs b/vortex-array/src/buffer.rs
new file mode 100644
index 00000000000..370a2501eb9
--- /dev/null
+++ b/vortex-array/src/buffer.rs
@@ -0,0 +1,76 @@
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-FileCopyrightText: Copyright the Vortex contributors
+
+use std::fmt::Debug;
+use std::hash::Hash;
+use std::sync::Arc;
+
+use vortex_buffer::ByteBuffer;
+use vortex_error::VortexResult;
+use vortex_error::vortex_bail;
+use vortex_utils::dyn_traits::DynEq;
+use vortex_utils::dyn_traits::DynHash;
+
+/// A buffer can be either on the CPU or on an attached device (e.g. GPU).
+/// The Device implementation will come later.
+#[derive(Debug, Clone)]
+pub enum BufferHandle {
+    /// On the host/cpu.
+    Host(ByteBuffer),
+    /// On the device.
+    Device(Arc<dyn DeviceBuffer>),
+}
+
+/// A buffer that is stored on a device (e.g. GPU).
+pub trait DeviceBuffer: 'static + Send + Sync + Debug + DynEq + DynHash {
+    /// Returns the length of the buffer in bytes.
+    fn len(&self) -> usize;
+
+    /// Returns true if the buffer is empty.
+    fn is_empty(&self) -> bool {
+        self.len() == 0
+    }
+
+    /// Attempts to copy the device buffer to a host ByteBuffer.
+    fn to_host(self: Arc<Self>) -> VortexResult<ByteBuffer>;
+}
+
+impl Hash for dyn DeviceBuffer {
+    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
+        self.dyn_hash(state);
+    }
+}
+
+impl PartialEq for dyn DeviceBuffer {
+    fn eq(&self, other: &Self) -> bool {
+        self.dyn_eq(other)
+    }
+}
+impl Eq for dyn DeviceBuffer {}
+
+impl BufferHandle {
+    /// Fetches the cpu buffer and fails otherwise.
+    pub fn bytes(&self) -> &ByteBuffer {
+        match self {
+            BufferHandle::Host(b) => b,
+            BufferHandle::Device(_) => todo!(),
+        }
+    }
+
+    /// Fetches the cpu buffer and fails otherwise.
+    pub fn into_bytes(self) -> ByteBuffer {
+        match self {
+            BufferHandle::Host(b) => b,
+            BufferHandle::Device(_) => todo!(),
+        }
+    }
+
+    /// Attempts to convert this handle into a CPU ByteBuffer.
+    /// Returns an error if the buffer is on a device.
+    pub fn try_to_bytes(self) -> VortexResult<ByteBuffer> {
+        match self {
+            BufferHandle::Host(b) => Ok(b),
+            BufferHandle::Device(_) => vortex_bail!("cannot move device_buffer to buffer"),
+        }
+    }
+}
diff --git a/vortex-array/src/hash.rs b/vortex-array/src/hash.rs
index 4ba5cf636ad..b88a92212d7 100644
--- a/vortex-array/src/hash.rs
+++ b/vortex-array/src/hash.rs
@@ -4,14 +4,15 @@
 use std::any::Any;
 use std::hash::Hash;
 use std::hash::Hasher;
+use std::sync::Arc;
 
 use vortex_buffer::BitBuffer;
 use vortex_buffer::Buffer;
-use vortex_buffer::BufferHandle;
 use vortex_mask::Mask;
 
 use crate::Array;
 use crate::ArrayRef;
+use crate::buffer::BufferHandle;
 use crate::patches::Patches;
 use crate::validity::Validity;
 
@@ -258,8 +259,8 @@ impl ArrayEq for Patches {
 impl ArrayHash for BufferHandle {
     fn array_hash<H: Hasher>(&self, state: &mut H, precision: Precision) {
         match self {
-            BufferHandle::Buffer(b) => b.array_hash(state, precision),
-            BufferHandle::DeviceBuffer => (),
+            BufferHandle::Host(b) => b.array_hash(state, precision),
+            BufferHandle::Device(_) => (),
         }
     }
 }
@@ -267,8 +268,11 @@ impl ArrayHash for BufferHandle {
 impl ArrayEq for BufferHandle {
     fn array_eq(&self, other: &Self, precision: Precision) -> bool {
         match (self, other) {
-            (BufferHandle::Buffer(b), BufferHandle::Buffer(b2)) => b.array_eq(b2, precision),
-            (BufferHandle::DeviceBuffer, BufferHandle::DeviceBuffer) => true,
+            (BufferHandle::Host(b), BufferHandle::Host(b2)) => b.array_eq(b2, precision),
+            (BufferHandle::Device(b), BufferHandle::Device(b2)) => match precision {
+                Precision::Ptr => Arc::ptr_eq(b, b2),
+                Precision::Value => b.eq(b2),
+            },
             _ => false,
         }
     }
diff --git a/vortex-array/src/lib.rs b/vortex-array/src/lib.rs
index e16f9e1d8ba..bad7d44e9f8 100644
--- a/vortex-array/src/lib.rs
+++ b/vortex-array/src/lib.rs
@@ -31,6 +31,7 @@ pub mod aliases;
 mod array;
 pub mod arrays;
 pub mod arrow;
+pub mod buffer;
 pub mod builders;
 pub mod builtins;
 mod canonical;
diff --git a/vortex-array/src/serde.rs b/vortex-array/src/serde.rs
index 3df50437211..854378385ea 100644
--- a/vortex-array/src/serde.rs
+++ b/vortex-array/src/serde.rs
@@ -12,7 +12,6 @@ use flatbuffers::WIPOffset;
 use flatbuffers::root;
 use itertools::Itertools;
 use vortex_buffer::Alignment;
-use vortex_buffer::BufferHandle;
 use vortex_buffer::ByteBuffer;
 use vortex_dtype::DType;
 use vortex_dtype::TryFromBytes;
@@ -34,6 +33,7 @@ use crate::ArrayContext;
 use crate::ArrayRef;
 use crate::ArrayVisitor;
 use crate::ArrayVisitorExt;
+use crate::buffer::BufferHandle;
 use crate::stats::StatsSet;
 
 /// Options for serializing an array.
@@ -494,7 +494,7 @@ impl ArrayParts {
                         .aligned(Alignment::from_exponent(fb_buf.alignment_exponent()));
 
                     offset += buffer_len;
-                    BufferHandle::Buffer(buffer)
+                    BufferHandle::Host(buffer)
                 })
                 .collect();
 
@@ -565,7 +565,7 @@ impl TryFrom<ByteBuffer> for ArrayParts {
                     .aligned(Alignment::from_exponent(fb_buffer.alignment_exponent()));
 
                 offset += buffer_len;
-                BufferHandle::Buffer(buffer)
+                BufferHandle::Host(buffer)
             })
             .collect();
 
diff --git a/vortex-array/src/vtable/dyn_.rs b/vortex-array/src/vtable/dyn_.rs
index 6fbb6005ddc..0b5406a6b05 100644
--- a/vortex-array/src/vtable/dyn_.rs
+++ b/vortex-array/src/vtable/dyn_.rs
@@ -11,7 +11,6 @@ use std::hash::Hasher;
 use std::sync::Arc;
 
 use arcref::ArcRef;
-use vortex_buffer::BufferHandle;
 use vortex_dtype::DType;
 use vortex_error::VortexExpect;
 use vortex_error::VortexResult;
@@ -27,6 +26,7 @@ use crate::ArrayAdapter;
 use crate::ArrayRef;
 use crate::Canonical;
 use crate::IntoArray;
+use crate::buffer::BufferHandle;
 use crate::executor::ExecutionCtx;
 use crate::serde::ArrayChildren;
 use crate::vtable::EncodeVTable;
diff --git a/vortex-array/src/vtable/mod.rs b/vortex-array/src/vtable/mod.rs
index d0621af0c02..4ba5889f61a 100644
--- a/vortex-array/src/vtable/mod.rs
+++ b/vortex-array/src/vtable/mod.rs
@@ -23,7 +23,6 @@ pub use encode::*;
 pub use operations::*;
 pub use validity::*;
 pub use visitor::*;
-use vortex_buffer::BufferHandle;
 use vortex_dtype::DType;
 use vortex_error::VortexResult;
 use vortex_vector::Vector;
@@ -32,6 +31,7 @@ use crate::Array;
 use crate::ArrayRef;
 use crate::IntoArray;
 use crate::VectorExecutor;
+use crate::buffer::BufferHandle;
 use crate::executor::ExecutionCtx;
 use crate::serde::ArrayChildren;
 
diff --git a/vortex-buffer/src/lib.rs b/vortex-buffer/src/lib.rs
index 5f5c1a19836..8646be4139a 100644
--- a/vortex-buffer/src/lib.rs
+++ b/vortex-buffer/src/lib.rs
@@ -55,9 +55,6 @@ pub use buffer_mut::*;
 pub use bytes::*;
 pub use r#const::*;
 pub use string::*;
-use vortex_error::VortexResult;
-use vortex_error::vortex_bail;
-
 mod alignment;
 #[cfg(feature = "arrow")]
 mod arrow;
@@ -85,41 +82,3 @@ pub type ByteBufferMut = BufferMut<u8>;
 
 /// A const-aligned buffer of u8.
 pub type ConstByteBuffer<const A: usize> = ConstBuffer<u8, A>;
-
-#[derive(Debug, Clone)]
-/// A buffer can be either on the CPU or on an attached device (e.g. GPU).
-/// The Device implementation will come later.
-pub enum BufferHandle {
-    /// On the host/cpu.
-    Buffer(ByteBuffer),
-    /// On the device.
-    // TODO: impl this.
-    DeviceBuffer,
-}
-
-impl BufferHandle {
-    /// Fetches the cpu buffer and fails otherwise.
-    pub fn bytes(&self) -> &ByteBuffer {
-        match self {
-            BufferHandle::Buffer(b) => b,
-            BufferHandle::DeviceBuffer => todo!(),
-        }
-    }
-
-    /// Fetches the cpu buffer and fails otherwise.
-    pub fn into_bytes(self) -> ByteBuffer {
-        match self {
-            BufferHandle::Buffer(b) => b,
-            BufferHandle::DeviceBuffer => todo!(),
-        }
-    }
-
-    /// Attempts to convert this handle into a CPU ByteBuffer.
-    /// Returns an error if the buffer is on a device.
-    pub fn try_to_bytes(self) -> VortexResult<ByteBuffer> {
-        match self {
-            BufferHandle::Buffer(b) => Ok(b),
-            BufferHandle::DeviceBuffer => vortex_bail!("cannot move device_buffer to buffer"),
-        }
-    }
-}
diff --git a/vortex-file/src/segments/source.rs b/vortex-file/src/segments/source.rs
index 1f8faffe482..58517505ce1 100644
--- a/vortex-file/src/segments/source.rs
+++ b/vortex-file/src/segments/source.rs
@@ -5,7 +5,7 @@ use std::sync::Arc;
 
 use futures::FutureExt;
 use futures::TryFutureExt;
-use vortex_buffer::BufferHandle;
+use vortex_array::buffer::BufferHandle;
 use vortex_error::VortexError;
 use vortex_error::vortex_err;
 use vortex_io::VortexReadAt;
@@ -41,7 +41,7 @@ impl SegmentSource for FileSegmentSource {
             maybe_fut
                 .ok_or_else(|| vortex_err!("Missing segment: {}", id))?
                 .await
-                .map(BufferHandle::Buffer)
+                .map(BufferHandle::Host)
         }
         .boxed()
     }
diff --git a/vortex-layout/src/segments/cache.rs b/vortex-layout/src/segments/cache.rs
index 16ae8485705..155ed038ec7 100644
--- a/vortex-layout/src/segments/cache.rs
+++ b/vortex-layout/src/segments/cache.rs
@@ -9,7 +9,7 @@ use moka::future::Cache;
 use moka::future::CacheBuilder;
 use moka::policy::EvictionPolicy;
 use rustc_hash::FxBuildHasher;
-use vortex_buffer::BufferHandle;
+use vortex_array::buffer::BufferHandle;
 use vortex_buffer::ByteBuffer;
 use vortex_error::VortexExpect;
 use vortex_error::VortexResult;
@@ -130,11 +130,11 @@ impl SegmentSource for SegmentCacheSourceAdapter {
         async move {
             if let Ok(Some(segment)) = cache.get(id).await {
                 tracing::debug!("Resolved segment {} from cache", id);
-                return Ok(BufferHandle::Buffer(segment));
+                return Ok(BufferHandle::Host(segment));
             }
             let result = delegate.await?;
             // Cache only CPU buffers; device buffers are not cached.
-            if let BufferHandle::Buffer(ref buffer) = result
+            if let BufferHandle::Host(ref buffer) = result
                 && let Err(e) = cache.put(id, buffer.clone()).await
             {
                 tracing::warn!("Failed to store segment {} in cache: {}", id, e);
diff --git a/vortex-layout/src/segments/shared.rs b/vortex-layout/src/segments/shared.rs
index 0c442ecb527..f0a321e035f 100644
--- a/vortex-layout/src/segments/shared.rs
+++ b/vortex-layout/src/segments/shared.rs
@@ -7,7 +7,7 @@ use futures::FutureExt;
 use futures::TryFutureExt;
 use futures::future::BoxFuture;
 use futures::future::WeakShared;
-use vortex_buffer::BufferHandle;
+use vortex_array::buffer::BufferHandle;
 use vortex_error::SharedVortexResult;
 use vortex_error::VortexError;
 use vortex_error::VortexExpect;
diff --git a/vortex-layout/src/segments/source.rs b/vortex-layout/src/segments/source.rs
index 11256da0356..a48a79b2889 100644
--- a/vortex-layout/src/segments/source.rs
+++ b/vortex-layout/src/segments/source.rs
@@ -2,7 +2,7 @@
 // SPDX-FileCopyrightText: Copyright the Vortex contributors
 
 use futures::future::BoxFuture;
-use vortex_buffer::BufferHandle;
+use vortex_array::buffer::BufferHandle;
 use vortex_error::VortexResult;
 
 use crate::segments::SegmentId;
diff --git a/vortex-layout/src/segments/test.rs b/vortex-layout/src/segments/test.rs
index 10141150e95..e22deec994d 100644
--- a/vortex-layout/src/segments/test.rs
+++ b/vortex-layout/src/segments/test.rs
@@ -6,7 +6,7 @@ use std::sync::Arc;
 use async_trait::async_trait;
 use futures::FutureExt;
 use parking_lot::Mutex;
-use vortex_buffer::BufferHandle;
+use vortex_array::buffer::BufferHandle;
 use vortex_buffer::ByteBuffer;
 use vortex_buffer::ByteBufferMut;
 use vortex_error::VortexExpect;
@@ -30,7 +30,7 @@ impl SegmentSource for TestSegments {
         let buffer = self.segments.lock().get(*id as usize).cloned();
         async move {
             buffer
-                .map(BufferHandle::Buffer)
+                .map(BufferHandle::Host)
                 .ok_or_else(|| vortex_err!("Segment not found"))
         }
         .boxed()
diff --git a/vortex-python/src/arrays/py/vtable.rs b/vortex-python/src/arrays/py/vtable.rs
index b478cc39ac1..519533ed1a0 100644
--- a/vortex-python/src/arrays/py/vtable.rs
+++ b/vortex-python/src/arrays/py/vtable.rs
@@ -18,6 +18,7 @@ use vortex::array::Canonical;
 use vortex::array::Precision;
 use vortex::array::RawMetadata;
 use vortex::array::SerializeMetadata;
+use vortex::array::buffer::BufferHandle;
 use vortex::array::serde::ArrayChildren;
 use vortex::array::stats::StatsSetRef;
 use vortex::array::validity::Validity;
@@ -32,7 +33,6 @@ use vortex::array::vtable::OperationsVTable;
 use vortex::array::vtable::VTable;
 use vortex::array::vtable::ValidityVTable;
 use vortex::array::vtable::VisitorVTable;
-use vortex::buffer::BufferHandle;
 use vortex::compute::ComputeFn;
 use vortex::compute::InvocationArgs;
 use vortex::compute::Output;
diff --git a/vortex-utils/src/dyn_traits.rs b/vortex-utils/src/dyn_traits.rs
index 16ce7086942..d25fc826d46 100644
--- a/vortex-utils/src/dyn_traits.rs
+++ b/vortex-utils/src/dyn_traits.rs
@@ -6,6 +6,9 @@
 use std::any::Any;
 
 /// A dynamic equality trait for types implementing [`PartialEq`] or [`Eq`].
+///
+/// Developers should implement `PartialEq` or `Eq` for `dyn Trait` types and
+/// delegate to this trait for dynamic equality checks.
 pub trait DynEq: Any + private::SealedEq {
     /// Compares `self` with another `Any` type for equality.
     fn dyn_eq(&self, other: &dyn Any) -> bool;