diff --git a/internal/s3/client.go b/internal/s3/client.go
index 0c05d57..c01d727 100644
--- a/internal/s3/client.go
+++ b/internal/s3/client.go
@@ -70,6 +70,26 @@ func (c *Client) Put(bucket, key string, payload goja.ArrayBuffer) PutResponse {
 	return PutResponse{Success: true}
 }
 
+func (c *Client) Multipart(bucket, key string, objPartSize int, payload goja.ArrayBuffer, concurrency int) PutResponse {
+   if objPartSize < multipartUploadMinPartSize {
+		stats.Report(c.vu, objPutFails, 1)
+		return PutResponse{Success: false, Error: fmt.Sprintf("part size '%d' must be greater than '%d'(5 MB)", objPartSize, multipartUploadMinPartSize)}
+	}
+	start := time.Now()
+	uploader := manager.NewUploader(c.cli)
+	result, err := uploader.Upload(context.TODO(), &s3.PutObjectInput{
+	    Bucket: aws.String(bucket),
+	    Key:    aws.String(key),
+	    Body:   payload.Bytes(),
+	    PartSize: objPartSize,
+	    Concurrency: currency
+    })
+    if err != nil {
+		stats.Report(c.vu, objPutFails, 1)
+		return PutResponse{Success: false, Error: err.Error()}
+	}
+}
+
 func (c *Client) Delete(bucket, key string) DeleteResponse {
 	start := time.Now()
 
diff --git a/scenarios/s3_multipart.js b/scenarios/s3_multipart.js
new file mode 100644
index 0000000..c04c3b3
--- /dev/null
+++ b/scenarios/s3_multipart.js
@@ -0,0 +1,101 @@
+import datagen from 'k6/x/frostfs/datagen';
+import logging from 'k6/x/frostfs/logging';
+import registry from 'k6/x/frostfs/registry';
+import s3 from 'k6/x/frostfs/s3';
+import { SharedArray } from 'k6/data';
+import { sleep } from 'k6';
+import { textSummary } from './libs/k6-summary-0.0.2.js';
+import { parseEnv } from './libs/env-parser.js';
+import { uuidv4 } from './libs/k6-utils-1.4.0.js';
+
+parseEnv();
+
+const obj_list = new SharedArray('obj_list', function () {
+    return JSON.parse(open(__ENV.PREGEN_JSON)).objects;
+});
+
+const bucket_list = new SharedArray('bucket_list', function () {
+    return JSON.parse(open(__ENV.PREGEN_JSON)).buckets;
+});
+
+const read_size = JSON.parse(open(__ENV.PREGEN_JSON)).obj_size;
+const summary_json = __ENV.SUMMARY_JSON || "/tmp/summary.json";
+
+// Select random S3 endpoint for current VU
+const s3_endpoints = __ENV.S3_ENDPOINTS.split(',');
+const s3_endpoint = s3_endpoints[Math.floor(Math.random() * s3_endpoints.length)];
+const s3_client = s3.connect(`http://${s3_endpoint}`);
+const log = logging.new().withField("endpoint", s3_endpoint);
+
+const registry_enabled = !!__ENV.REGISTRY_FILE;
+const obj_registry = registry_enabled ? registry.open(__ENV.REGISTRY_FILE) : undefined;
+
+const duration = __ENV.DURATION;
+
+const generator = datagen.generator(1024 * parseInt(__ENV.WRITE_OBJ_SIZE), __ENV.PAYLOAD_TYPE || "");
+
+const scenarios = {};
+
+const write_vu_count = parseInt(__ENV.WRITERS || '0');
+const write_multipart_vu_count = parseInt(__ENV.WRITERS_MULTIPART || '0');
+if (write_vu_count > 0) {
+    scenarios.write = {
+        executor: 'constant-vus',
+        vus: write_vu_count,
+        duration: `${duration}s`,
+        exec: 'obj_write_multipart',
+        gracefulStop: '5s',
+    };
+}
+
+export const options = {
+    scenarios,
+    setupTimeout: '5s',
+};
+
+export function setup() {
+    const total_vu_count = write_vu_count * write_multipart_vu_count;
+
+    console.log(`Pregenerated buckets:          ${bucket_list.length}`);
+    console.log(`Pregenerated read object size: ${read_size}`);
+    console.log(`Pregenerated total objects:    ${obj_list.length}`);
+    console.log(`Writing VUs:                   ${write_vu_count}`);
+    console.log(`Writing multipart VUs:         ${write_multipart_vu_count}`);
+    console.log(`Total VUs:                     ${total_vu_count}`);
+}
+
+export function teardown(data) {
+    if (obj_registry) {
+        obj_registry.close();
+    }
+}
+
+export function handleSummary(data) {
+    return {
+        'stdout': textSummary(data, { indent: ' ', enableColors: false }),
+        [summary_json]: JSON.stringify(data),
+    };
+  }
+
+const write_multipart_part_size = 1024 * parseInt(__ENV.WRITE_OBJ_PART_SIZE || '0')
+
+export function obj_write_multipart() {
+    if (__ENV.SLEEP_WRITE) {
+        sleep(__ENV.SLEEP_WRITE);
+    }
+
+    const key = __ENV.OBJ_NAME || uuidv4();
+    const bucket = bucket_list[Math.floor(Math.random() * bucket_list.length)];
+
+    const {payload, hash} = generator.genPayload(registry_enabled);
+    const resp = s3_client.multipart(bucket, key, write_multipart_part_size, payload, write_multipart_vu_count);
+    if (!resp.success) {
+        log.withFields({bucket: bucket, key: key}).error(resp.error);
+        return;
+    }
+
+    if (obj_registry) {
+        obj_registry.addObject("", "", bucket, key, hash);
+    }
+}
+