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|`b_ssd` (Block Storage 5K legacy) | 5,000 | Legacy SSDs | High | Up to 10 TB | General-purpose workloads that do not demand high IOPS or low latency | Data is replicated three times across multiple disks for high availability and integrity |
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|`sbs_5k` (Block Low Latency 5K) | 5,000 | Modern NVMe disks | Low | 5 GB to 10 TB | Development environments, web servers, and applications needing consistent performance | 99.99% SLA, triple-replicated data to safeguard against hardware failures |
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|`sbs_15k` (Block Low Latency 15K) | 15,000 | Modern NVMe disks | Very low | 5 GB to 10 TB | High-performance databases, transactional applications, and I/O-intensive workloads | 99.99% SLA, triple-replicated data to safeguard against hardware failures |
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You can attach a maximum of 16 volumes (including the mandatory boot volume) to a single Instance.
Copy file name to clipboardExpand all lines: pages/block-storage/reference-content/advantages-migrating-to-sbs.mdx
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@@ -25,7 +25,7 @@ Scaleway is transitioning the management of all Block Storage volumes and snapsh
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This change streamlines how storage resources are managed by consolidating them under the Block Storage API, providing enhanced management features and clearer storage class distinctions.
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[Local volumes](/local-storage/) will remain exclusively supported by the Instance API.
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Local volumes will remain exclusively supported by the Instance API.
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## What is required from you in the context of the migration?
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### Comparison of Block Storage volume types
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<Macroid="block-storage-volume-types" />
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| Volume type | IOPS | Underlying hardware | Latency | Max volume size | Recommended use cases | Availability & resilience |
|`b_ssd` (Block Storage 5K legacy) | 5,000 | Legacy SSDs | High | Up to 10 TB | General-purpose workloads that do not demand high IOPS or low latency | Data is replicated three times across multiple disks for high availability and integrity |
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|`sbs_5k` (Block Low Latency 5K) | 5,000 | Modern NVMe disks | Low | 5 GB to 10 TB | Development environments, web servers, and applications needing consistent performance | 99.99% SLA, triple-replicated data to safeguard against hardware failures |
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|`sbs_15k` (Block Low Latency 15K) | 15,000 | Modern NVMe disks | Very low | 5 GB to 10 TB | High-performance databases, transactional applications, and I/O-intensive workloads | 99.99% SLA, triple-replicated data to safeguard against hardware failures |
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You can attach a maximum of 16 volumes (including the mandatory boot volume) to a single Instance.
Copy file name to clipboardExpand all lines: pages/instances/reference-content/instances-bandwidth-overview.mdx
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- compute
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---
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<Macroid="instances-block-bandwidth-overview" />
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This guide provides a complete overview of internet and Block Storage bandwidth for Scaleway Instances.
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Understanding these specifications is crucial for optimizing your infrastructure for performance and compatibility.
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### Why bandwidth matters
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Bandwidth impacts how your applications perform and interact with other systems.
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-**Internet bandwidth**: Affects how fast your Instance can send or receive data over the internet.
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-**Block bandwidth**: Determines the read/write speed to Block Storage, essential for storage-heavy workloads like databases and analytics.
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<Messagetype="important">
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Bandwidth specifications listed here are for informational purposes. To validate the exact bandwidth capacity of your Instance type, refer to the `block_bandwidth` field in the [Instances API](https://www.scaleway.com/en/developers/api/instance/#path-instance-types-list-instance-types). Use the endpoint `/instance/v1/zones/{zone}/products/servers` to retrieve Instance type specifications.
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</Message>
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<Messagetype="tip">
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To maximize compatibility with [Block Storage Low Latency 15k](/block-storage/), select an Instance with **at least 3 GiB/s** of Block bandwidth.
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</Message>
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## COPARM1 range
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| Instance Type | Internet Bandwidth (up to) | Block Bandwidth (up to) |
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