diff --git a/cmd/client/main.go b/cmd/client/main.go
index 3e0a9ed..af9e309 100644
--- a/cmd/client/main.go
+++ b/cmd/client/main.go
@@ -24,9 +24,11 @@ var (
 
 	decrypt bool
 	/* Put command flags */
-	encrypt      bool
-	storageClass string
-	tableSpace   string
+	encrypt             bool
+	storageClass        string
+	tableSpace          string
+	multipart_chunksize int64
+	multipart_threshold int64
 
 	offset uint64
 
@@ -115,6 +117,14 @@ func putFunc(con net.Conn, instanceCnf *config.Instance, args []string) error {
 			Name:  message.TableSpaceSetting,
 			Value: tableSpace,
 		},
+		{
+			Name:  message.MultipartChunksize,
+			Value: fmt.Sprintf("%s", multipart_chunksize),
+		},
+		{
+			Name:  message.MultipartThreshold,
+			Value: fmt.Sprintf("%s", multipart_threshold),
+		},
 	}).Encode()
 	_, err := con.Write(msg)
 	if err != nil {
diff --git a/pkg/message/put_message_v2.go b/pkg/message/put_message_v2.go
index 28fc247..48c3519 100644
--- a/pkg/message/put_message_v2.go
+++ b/pkg/message/put_message_v2.go
@@ -8,6 +8,8 @@ import (
 
 const StorageClassSetting = "StorageClass"
 const TableSpaceSetting = "TableSpace"
+const MultipartChunksize = "MultipartChunksize"
+const MultipartThreshold = "MultipartThreshold"
 
 type PutMessageV2 struct {
 	Encrypt bool
diff --git a/pkg/storage/s3storage.go b/pkg/storage/s3storage.go
index 5ab15cf..131cd5b 100644
--- a/pkg/storage/s3storage.go
+++ b/pkg/storage/s3storage.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"io"
 	"path"
+	"strconv"
 	"strings"
 
 	"github.com/yezzey-gp/aws-sdk-go/aws"
@@ -69,14 +70,19 @@ func (s *S3StorageInteractor) PutFileToDest(name string, r io.Reader, settings [
 
 	objectPath := path.Join(s.cnf.StoragePrefix, name)
 
+	storageClass := ResolveStorageSetting(settings, message.StorageClassSetting, "STANDARD")
+	tableSpace := ResolveStorageSetting(settings, message.TableSpaceSetting, tablespace.DefaultTableSpace)
+	multipartChunksizeStr := ResolveStorageSetting(settings, message.MultipartChunksize, "")
+	multipartChunksize, err := strconv.ParseInt(multipartChunksizeStr, 10, 64)
+	if err != nil {
+		return err
+	}
+
 	up := s3manager.NewUploaderWithClient(sess, func(uploader *s3manager.Uploader) {
-		uploader.PartSize = int64(1 << 24)
+		uploader.PartSize = int64(multipartChunksize)
 		uploader.Concurrency = 1
 	})
 
-	storageClass := ResolveStorageSetting(settings, message.StorageClassSetting, "STANDARD")
-	tableSpace := ResolveStorageSetting(settings, message.TableSpaceSetting, tablespace.DefaultTableSpace)
-
 	bucket, ok := s.bucketMap[tableSpace]
 	if !ok {
 		err := fmt.Errorf("failed to match tablespace %s to s3 bucket.", tableSpace)