diff --git a/clients/client-cloudhsm-v2/src/commands/CreateClusterCommand.ts b/clients/client-cloudhsm-v2/src/commands/CreateClusterCommand.ts
index 54cc9cf96f1b..176290cad29d 100644
--- a/clients/client-cloudhsm-v2/src/commands/CreateClusterCommand.ts
+++ b/clients/client-cloudhsm-v2/src/commands/CreateClusterCommand.ts
@@ -51,6 +51,7 @@ export interface CreateClusterCommandOutput extends CreateClusterResponse, __Met
  *       Value: "STRING_VALUE", // required
  *     },
  *   ],
+ *   Mode: "FIPS" || "NON_FIPS",
  * };
  * const command = new CreateClusterCommand(input);
  * const response = await client.send(command);
@@ -98,6 +99,7 @@ export interface CreateClusterCommandOutput extends CreateClusterResponse, __Met
  * //         Value: "STRING_VALUE", // required
  * //       },
  * //     ],
+ * //     Mode: "FIPS" || "NON_FIPS",
  * //   },
  * // };
  *
diff --git a/clients/client-cloudhsm-v2/src/commands/DeleteBackupCommand.ts b/clients/client-cloudhsm-v2/src/commands/DeleteBackupCommand.ts
index 2752a4d054cb..dcae224af50e 100644
--- a/clients/client-cloudhsm-v2/src/commands/DeleteBackupCommand.ts
+++ b/clients/client-cloudhsm-v2/src/commands/DeleteBackupCommand.ts
@@ -60,6 +60,8 @@ export interface DeleteBackupCommandOutput extends DeleteBackupResponse, __Metad
  * //         Value: "STRING_VALUE", // required
  * //       },
  * //     ],
+ * //     HsmType: "STRING_VALUE",
+ * //     Mode: "FIPS" || "NON_FIPS",
  * //   },
  * // };
  *
diff --git a/clients/client-cloudhsm-v2/src/commands/DeleteClusterCommand.ts b/clients/client-cloudhsm-v2/src/commands/DeleteClusterCommand.ts
index 39f29e199eca..12515d0bdc04 100644
--- a/clients/client-cloudhsm-v2/src/commands/DeleteClusterCommand.ts
+++ b/clients/client-cloudhsm-v2/src/commands/DeleteClusterCommand.ts
@@ -85,6 +85,7 @@ export interface DeleteClusterCommandOutput extends DeleteClusterResponse, __Met
  * //         Value: "STRING_VALUE", // required
  * //       },
  * //     ],
+ * //     Mode: "FIPS" || "NON_FIPS",
  * //   },
  * // };
  *
diff --git a/clients/client-cloudhsm-v2/src/commands/DescribeBackupsCommand.ts b/clients/client-cloudhsm-v2/src/commands/DescribeBackupsCommand.ts
index fee12076bd6b..8e2e4e9b7866 100644
--- a/clients/client-cloudhsm-v2/src/commands/DescribeBackupsCommand.ts
+++ b/clients/client-cloudhsm-v2/src/commands/DescribeBackupsCommand.ts
@@ -71,6 +71,8 @@ export interface DescribeBackupsCommandOutput extends DescribeBackupsResponse, _
  * //           Value: "STRING_VALUE", // required
  * //         },
  * //       ],
+ * //       HsmType: "STRING_VALUE",
+ * //       Mode: "FIPS" || "NON_FIPS",
  * //     },
  * //   ],
  * //   NextToken: "STRING_VALUE",
diff --git a/clients/client-cloudhsm-v2/src/commands/DescribeClustersCommand.ts b/clients/client-cloudhsm-v2/src/commands/DescribeClustersCommand.ts
index b4edcd0a4537..b6e134b4f267 100644
--- a/clients/client-cloudhsm-v2/src/commands/DescribeClustersCommand.ts
+++ b/clients/client-cloudhsm-v2/src/commands/DescribeClustersCommand.ts
@@ -96,6 +96,7 @@ export interface DescribeClustersCommandOutput extends DescribeClustersResponse,
  * //           Value: "STRING_VALUE", // required
  * //         },
  * //       ],
+ * //       Mode: "FIPS" || "NON_FIPS",
  * //     },
  * //   ],
  * //   NextToken: "STRING_VALUE",
diff --git a/clients/client-cloudhsm-v2/src/commands/ModifyBackupAttributesCommand.ts b/clients/client-cloudhsm-v2/src/commands/ModifyBackupAttributesCommand.ts
index 12f259366b3f..007850c37076 100644
--- a/clients/client-cloudhsm-v2/src/commands/ModifyBackupAttributesCommand.ts
+++ b/clients/client-cloudhsm-v2/src/commands/ModifyBackupAttributesCommand.ts
@@ -59,6 +59,8 @@ export interface ModifyBackupAttributesCommandOutput extends ModifyBackupAttribu
  * //         Value: "STRING_VALUE", // required
  * //       },
  * //     ],
+ * //     HsmType: "STRING_VALUE",
+ * //     Mode: "FIPS" || "NON_FIPS",
  * //   },
  * // };
  *
diff --git a/clients/client-cloudhsm-v2/src/commands/ModifyClusterCommand.ts b/clients/client-cloudhsm-v2/src/commands/ModifyClusterCommand.ts
index 8a7cf94d7f26..3594182e684e 100644
--- a/clients/client-cloudhsm-v2/src/commands/ModifyClusterCommand.ts
+++ b/clients/client-cloudhsm-v2/src/commands/ModifyClusterCommand.ts
@@ -88,6 +88,7 @@ export interface ModifyClusterCommandOutput extends ModifyClusterResponse, __Met
  * //         Value: "STRING_VALUE", // required
  * //       },
  * //     ],
+ * //     Mode: "FIPS" || "NON_FIPS",
  * //   },
  * // };
  *
diff --git a/clients/client-cloudhsm-v2/src/commands/RestoreBackupCommand.ts b/clients/client-cloudhsm-v2/src/commands/RestoreBackupCommand.ts
index 68465fd9354e..4d811eb5b14c 100644
--- a/clients/client-cloudhsm-v2/src/commands/RestoreBackupCommand.ts
+++ b/clients/client-cloudhsm-v2/src/commands/RestoreBackupCommand.ts
@@ -60,6 +60,8 @@ export interface RestoreBackupCommandOutput extends RestoreBackupResponse, __Met
  * //         Value: "STRING_VALUE", // required
  * //       },
  * //     ],
+ * //     HsmType: "STRING_VALUE",
+ * //     Mode: "FIPS" || "NON_FIPS",
  * //   },
  * // };
  *
diff --git a/clients/client-cloudhsm-v2/src/models/models_0.ts b/clients/client-cloudhsm-v2/src/models/models_0.ts
index 2d5d3366c5e6..ce48aa18658b 100644
--- a/clients/client-cloudhsm-v2/src/models/models_0.ts
+++ b/clients/client-cloudhsm-v2/src/models/models_0.ts
@@ -19,6 +19,20 @@ export const BackupState = {
  */
 export type BackupState = (typeof BackupState)[keyof typeof BackupState];
 
+/**
+ * @public
+ * @enum
+ */
+export const ClusterMode = {
+  FIPS: "FIPS",
+  NON_FIPS: "NON_FIPS",
+} as const;
+
+/**
+ * @public
+ */
+export type ClusterMode = (typeof ClusterMode)[keyof typeof ClusterMode];
+
 /**
  * <p>Contains a tag. A tag is a key-value pair.</p>
  * @public
@@ -116,6 +130,18 @@ export interface Backup {
    * @public
    */
   TagList?: Tag[];
+
+  /**
+   * <p>The HSM type of the cluster that was backed up.</p>
+   * @public
+   */
+  HsmType?: string;
+
+  /**
+   * <p>The mode of the cluster that was backed up.</p>
+   * @public
+   */
+  Mode?: ClusterMode;
 }
 
 /**
@@ -378,8 +404,8 @@ export interface CreateClusterRequest {
   BackupRetentionPolicy?: BackupRetentionPolicy;
 
   /**
-   * <p>The type of HSM to use in the cluster. Currently the only allowed value is
-   *       <code>hsm1.medium</code>.</p>
+   * <p>The type of HSM to use in the cluster. The allowed values are
+   *       <code>hsm1.medium</code> and <code>hsm2m.medium</code>.</p>
    * @public
    */
   HsmType: string | undefined;
@@ -412,6 +438,13 @@ export interface CreateClusterRequest {
    * @public
    */
   TagList?: Tag[];
+
+  /**
+   * <p>The mode to use in the cluster. The allowed values are
+   *       <code>FIPS</code> and <code>NON_FIPS</code>.</p>
+   * @public
+   */
+  Mode?: ClusterMode;
 }
 
 /**
@@ -641,6 +674,12 @@ export interface Cluster {
    * @public
    */
   TagList?: Tag[];
+
+  /**
+   * <p>The mode of the cluster.</p>
+   * @public
+   */
+  Mode?: ClusterMode;
 }
 
 /**
diff --git a/clients/client-cloudhsm-v2/src/protocols/Aws_json1_1.ts b/clients/client-cloudhsm-v2/src/protocols/Aws_json1_1.ts
index a8d5554040e7..62de74f28314 100644
--- a/clients/client-cloudhsm-v2/src/protocols/Aws_json1_1.ts
+++ b/clients/client-cloudhsm-v2/src/protocols/Aws_json1_1.ts
@@ -761,6 +761,8 @@ const de_Backup = (output: any, context: __SerdeContext): Backup => {
     CopyTimestamp: (_: any) => __expectNonNull(__parseEpochTimestamp(__expectNumber(_))),
     CreateTimestamp: (_: any) => __expectNonNull(__parseEpochTimestamp(__expectNumber(_))),
     DeleteTimestamp: (_: any) => __expectNonNull(__parseEpochTimestamp(__expectNumber(_))),
+    HsmType: __expectString,
+    Mode: __expectString,
     NeverExpires: __expectBoolean,
     SourceBackup: __expectString,
     SourceCluster: __expectString,
@@ -809,6 +811,7 @@ const de_Cluster = (output: any, context: __SerdeContext): Cluster => {
     CreateTimestamp: (_: any) => __expectNonNull(__parseEpochTimestamp(__expectNumber(_))),
     HsmType: __expectString,
     Hsms: _json,
+    Mode: __expectString,
     PreCoPassword: __expectString,
     SecurityGroup: __expectString,
     SourceBackupId: __expectString,
diff --git a/codegen/sdk-codegen/aws-models/cloudhsm-v2.json b/codegen/sdk-codegen/aws-models/cloudhsm-v2.json
index be35dc32b5a9..ad61cedc52b1 100644
--- a/codegen/sdk-codegen/aws-models/cloudhsm-v2.json
+++ b/codegen/sdk-codegen/aws-models/cloudhsm-v2.json
@@ -98,6 +98,18 @@
           "traits": {
             "smithy.api#documentation": "<p>The list of tags for the backup.</p>"
           }
+        },
+        "HsmType": {
+          "target": "com.amazonaws.cloudhsmv2#HsmType",
+          "traits": {
+            "smithy.api#documentation": "<p>The HSM type of the cluster that was backed up.</p>"
+          }
+        },
+        "Mode": {
+          "target": "com.amazonaws.cloudhsmv2#ClusterMode",
+          "traits": {
+            "smithy.api#documentation": "<p>The mode of the cluster that was backed up.</p>"
+          }
         }
       },
       "traits": {
@@ -1232,7 +1244,7 @@
       "traits": {
         "smithy.api#length": {
           "min": 0,
-          "max": 5000
+          "max": 20000
         },
         "smithy.api#pattern": "^[a-zA-Z0-9+-/=\\s]*$"
       }
@@ -1439,6 +1451,12 @@
           "traits": {
             "smithy.api#documentation": "<p>The list of tags for the cluster.</p>"
           }
+        },
+        "Mode": {
+          "target": "com.amazonaws.cloudhsmv2#ClusterMode",
+          "traits": {
+            "smithy.api#documentation": "<p>The mode of the cluster.</p>"
+          }
         }
       },
       "traits": {
@@ -1451,6 +1469,23 @@
         "smithy.api#pattern": "^cluster-[2-7a-zA-Z]{11,16}$"
       }
     },
+    "com.amazonaws.cloudhsmv2#ClusterMode": {
+      "type": "enum",
+      "members": {
+        "FIPS": {
+          "target": "smithy.api#Unit",
+          "traits": {
+            "smithy.api#enumValue": "FIPS"
+          }
+        },
+        "NON_FIPS": {
+          "target": "smithy.api#Unit",
+          "traits": {
+            "smithy.api#enumValue": "NON_FIPS"
+          }
+        }
+      }
+    },
     "com.amazonaws.cloudhsmv2#ClusterState": {
       "type": "enum",
       "members": {
@@ -1643,7 +1678,7 @@
         "HsmType": {
           "target": "com.amazonaws.cloudhsmv2#HsmType",
           "traits": {
-            "smithy.api#documentation": "<p>The type of HSM to use in the cluster. Currently the only allowed value is\n      <code>hsm1.medium</code>.</p>",
+            "smithy.api#documentation": "<p>The type of HSM to use in the cluster. The allowed values are\n      <code>hsm1.medium</code> and <code>hsm2m.medium</code>.</p>",
             "smithy.api#required": {}
           }
         },
@@ -1665,6 +1700,12 @@
           "traits": {
             "smithy.api#documentation": "<p>Tags to apply to the CloudHSM cluster during creation.</p>"
           }
+        },
+        "Mode": {
+          "target": "com.amazonaws.cloudhsmv2#ClusterMode",
+          "traits": {
+            "smithy.api#documentation": "<p>The mode to use in the cluster. The allowed values are\n      <code>FIPS</code> and <code>NON_FIPS</code>.</p>"
+          }
         }
       },
       "traits": {
@@ -2186,6 +2227,12 @@
       },
       "value": {
         "target": "com.amazonaws.cloudhsmv2#Strings"
+      },
+      "traits": {
+        "smithy.api#length": {
+          "min": 0,
+          "max": 30
+        }
       }
     },
     "com.amazonaws.cloudhsmv2#Hsm": {
@@ -2289,7 +2336,11 @@
     "com.amazonaws.cloudhsmv2#HsmType": {
       "type": "string",
       "traits": {
-        "smithy.api#pattern": "^(hsm1\\.medium)$"
+        "smithy.api#length": {
+          "min": 0,
+          "max": 32
+        },
+        "smithy.api#pattern": "^((p|)hsm[0-9][a-z.]*\\.[a-zA-Z]+)$"
       }
     },
     "com.amazonaws.cloudhsmv2#Hsms": {