diff --git a/src/agent/block_store_services/block_store_s3.js b/src/agent/block_store_services/block_store_s3.js
index 572a9b7ac6..c7dfce3e5f 100644
--- a/src/agent/block_store_services/block_store_s3.js
+++ b/src/agent/block_store_services/block_store_s3.js
@@ -2,7 +2,6 @@
 'use strict';
 
 const _ = require('lodash');
-const { S3 } = require('@aws-sdk/client-s3');
 
 const config = require('../../../config');
 const P = require('../../util/promise');
@@ -13,10 +12,9 @@ const size_utils = require('../../util/size_utils');
 const BlockStoreBase = require('./block_store_base').BlockStoreBase;
 const { RpcError } = require('../../rpc');
 const { NodeHttpHandler } = require("@smithy/node-http-handler");
+const noobaa_s3_client = require('../../sdk/noobaa_s3_client/noobaa_s3_client');
 
 
-const DEFAULT_REGION = 'us-east-1';
-
 class BlockStoreS3 extends BlockStoreBase {
 
     constructor(options) {
@@ -40,14 +38,14 @@ class BlockStoreS3 extends BlockStoreBase {
                     RoleSessionName: 'block_store_operations'
                 };
             } else {
-                this.s3cloud = new S3({
+                this.s3cloud = noobaa_s3_client.get_s3_client_v3_params({
                     endpoint: endpoint,
                     credentials: {
                         accessKeyId: this.cloud_info.access_keys.access_key.unwrap(),
                         secretAccessKey: this.cloud_info.access_keys.secret_key.unwrap(),
                     },
                     forcePathStyle: true,
-                    region: DEFAULT_REGION,
+                    region: config.DEFAULT_REGION,
                     requestHandler: new NodeHttpHandler({
                         httpsAgent: http_utils.get_default_agent(endpoint)
                     }),
@@ -58,13 +56,14 @@ class BlockStoreS3 extends BlockStoreBase {
                 config.EXPERIMENTAL_DISABLE_S3_COMPATIBLE_DELEGATION.DEFAULT;
             this.disable_metadata = config.EXPERIMENTAL_DISABLE_S3_COMPATIBLE_METADATA[this.cloud_info.endpoint_type] ||
                 config.EXPERIMENTAL_DISABLE_S3_COMPATIBLE_METADATA.DEFAULT;
-            this.s3cloud = new S3({
+            this.s3cloud = noobaa_s3_client.get_s3_client_v3_params({
                 endpoint: endpoint,
                 forcePathStyle: true,
                 credentials: {
                     accessKeyId: this.cloud_info.access_keys.access_key.unwrap(),
                     secretAccessKey: this.cloud_info.access_keys.secret_key.unwrap(),
                 },
+                region: config.DEFAULT_REGION,
                 applyChecksum: cloud_utils.disable_s3_compatible_bodysigning(endpoint),
                 requestHandler: new NodeHttpHandler({
                     httpsAgent: http_utils.get_unsecured_agent(endpoint)
diff --git a/src/util/cloud_utils.js b/src/util/cloud_utils.js
index 7155a8be8f..d6711be433 100644
--- a/src/util/cloud_utils.js
+++ b/src/util/cloud_utils.js
@@ -6,7 +6,6 @@ const RpcError = require('../rpc/rpc_error');
 const http_utils = require('./http_utils');
 const string_utils = require('./string_utils');
 const AWS = require('aws-sdk');
-const { S3 } = require('@aws-sdk/client-s3');
 const url = require('url');
 const _ = require('lodash');
 const SensitiveString = require('./sensitive_string');
@@ -33,7 +32,7 @@ function find_cloud_connection(account, conn_name) {
 
 async function createSTSS3SDKv3Client(params, additionalParams) {
     const creds = await generate_aws_sdkv3_sts_creds(params, additionalParams.RoleSessionName);
-    return new S3({
+    return noobaa_s3_client.get_s3_client_v3_params({
         credentials: creds,
         region: params.region || config.DEFAULT_REGION,
         endpoint: additionalParams.endpoint,
@@ -78,7 +77,7 @@ function get_signed_url(params, expiry = 604800, custom_operation = 'getObject')
         sslEnabled: false,
         signatureVersion: get_s3_endpoint_signature_ver(params.endpoint),
         s3DisableBodySigning: disable_s3_compatible_bodysigning(params.endpoint),
-        region: 'eu-central-1',
+        region: params.region || config.DEFAULT_REGION,
         httpOptions: {
             // Setting the agent is not mandatory in this case as this s3 client
             // is only used to acquire a signed Url