diff --git a/instances/README.md b/instances/README.md
index 2baf43c2b..42aba1217 100644
--- a/instances/README.md
+++ b/instances/README.md
@@ -11,7 +11,9 @@ The SQL files are read during the [build](../build/) process.
 
 * [Series](./series/)
 	* [A2](./series/a2.sql)
-	* [A3](./series/a2.sql)
+	* [A3](./series/a3.sql)
+	* [A4](./series/a4.sql)
+	* [A4X](./series/a4x.sql)
 	* [C2](./series/c2.sql)
 	* [C2D](./series/c2d.sql)
 	* [C3](./series/c3.sql)
@@ -50,7 +52,10 @@ The cost per machine type in region and licenses are added with the [gcosts](htt
 		<a href="https://cloud.google.com/compute/docs/machine-types#machine_type_comparison" rel="nofollow">Machine series comparison</a>
 		<ul>
 			<li>
-				<a href="https://cloud.google.com/compute/docs/accelerator-optimized-machines#a2_vms" rel="nofollow">A2</a> and
+				<a href="https://cloud.google.com/compute/docs/accelerator-optimized-machines#a2_vms" rel="nofollow">A2</a>,
+				<a href="https://cloud.google.com/compute/docs/accelerator-optimized-machines#a3-vms" rel="nofollow">A3</a>,
+				<a href="https://cloud.google.com/compute/docs/accelerator-optimized-machines#a4-vms" rel="nofollow">A4</a>,
+				<a href="https://cloud.google.com/compute/docs/accelerator-optimized-machines#a4x-vms" rel="nofollow">A4X</a> and
 				<a href="https://cloud.google.com/compute/docs/accelerator-optimized-machines#g2-vms" rel="nofollow">G2</a> accelerator optimized machines
 			</li>
 			<li>
@@ -85,4 +90,3 @@ The cost per machine type in region and licenses are added with the [gcosts](htt
 	<li><a href="https://cloud.google.com/solutions/sap/docs/certifications-sap-apps#sap-certified-vms" rel="nofollow">Certified SAP applications on Google Cloud</a></li>
 	<li><a href="https://cloud.google.com/solutions/sap/docs/certifications-sap-hana#hana-cert-table-vms" rel="nofollow">Certified machine types for SAP HANA</a></li>
 </ul>
-
diff --git a/instances/series/a4.sql b/instances/series/a4.sql
new file mode 100644
index 000000000..7f85627f1
--- /dev/null
+++ b/instances/series/a4.sql
@@ -0,0 +1,11 @@
+/* A4 Accelerator-optimized machine family */
+/* https://cloud.google.com/compute/docs/accelerator-optimized-machines#a4-vms */
+/* https://cloud.google.com/compute/docs/gpus#a4 */
+UPDATE instances SET
+series      = 'a4',
+family      = 'Accelerator-optimized',
+cpuPlatform = 'Sapphire Rapids',
+localSsd    = '12000',
+bandwidth   = '3600',
+spot        = '1'
+WHERE name LIKE 'a4-%';
diff --git a/instances/series/a4x.sql b/instances/series/a4x.sql
new file mode 100644
index 000000000..61adcd7f2
--- /dev/null
+++ b/instances/series/a4x.sql
@@ -0,0 +1,12 @@
+/* A4X Accelerator-optimized machine family */
+/* https://cloud.google.com/compute/docs/accelerator-optimized-machines#a4x-vms */
+/* https://cloud.google.com/compute/docs/gpus#gb200-gpus */
+UPDATE instances SET
+series      = 'a4x',
+family      = 'Accelerator-optimized',
+cpuPlatform = 'ARM Neoverse V2',
+localSsd    = '12000',
+bandwidth   = '2000',
+arm         = '1',
+spot        = '1'
+WHERE name LIKE 'a4x-%';
diff --git a/instances/series/gpu/gpu_names.sql b/instances/series/gpu/gpu_names.sql
index c625a25fe..a475ba4fa 100644
--- a/instances/series/gpu/gpu_names.sql
+++ b/instances/series/gpu/gpu_names.sql
@@ -20,7 +20,12 @@ UPDATE instances SET acceleratorType = "NVIDIA V100"       WHERE acceleratorType
 UPDATE instances SET acceleratorType = "NVIDIA P100 vWS"   WHERE acceleratorType LIKE "nvidia-tesla-p100-vws";
 UPDATE instances SET acceleratorType = "NVIDIA P100"       WHERE acceleratorType LIKE "nvidia-tesla-p100";
 
+UPDATE instances SET acceleratorType = "NVIDIA H200 141GB"     WHERE acceleratorType LIKE "nvidia-h200-141gb";
+
 UPDATE instances SET acceleratorType = "NVIDIA H100 80GB"      WHERE acceleratorType LIKE "nvidia-h100-80gb";
 UPDATE instances SET acceleratorType = "NVIDIA H100 80GB Mega" WHERE acceleratorType LIKE "nvidia-h100-mega-80gb";
 
+UPDATE instances SET acceleratorType = "NVIDIA B200"           WHERE acceleratorType LIKE "nvidia-b200";
+UPDATE instances SET acceleratorType = "NVIDIA GB200"          WHERE acceleratorType LIKE "nvidia-gb200";
+
 UPDATE instances SET acceleratorType = "NVIDIA K80 (EOL!)" WHERE acceleratorType LIKE "nvidia-tesla-k80";