diff --git a/pool/pool.go b/pool/pool.go
index 28715ac..f7abf4c 100644
--- a/pool/pool.go
+++ b/pool/pool.go
@@ -615,7 +615,7 @@ func (c *clientWrapper) objectPut(ctx context.Context, prm PrmObjectPut) (oid.ID
 	}
 
 	var cliPrm sdkClient.PrmObjectPutInit
-	cliPrm.SetCopiesNumber(prm.copiesNumber) // TODO(@ironbee): adopt multiple copy number https://git.frostfs.info/TrueCloudLab/frostfs-sdk-go/issues/44
+	cliPrm.SetCopiesNumberByVectors(prm.copiesNumber)
 	if prm.stoken != nil {
 		cliPrm.WithinSession(*prm.stoken)
 	}
@@ -1257,7 +1257,7 @@ type PrmObjectPut struct {
 
 	payload io.Reader
 
-	copiesNumber uint32
+	copiesNumber []uint32
 }
 
 // SetHeader specifies header of the object.
@@ -1273,6 +1273,12 @@ func (x *PrmObjectPut) SetPayload(payload io.Reader) {
 // SetCopiesNumber sets number of object copies that is enough to consider put successful.
 // Zero means using default behavior.
 func (x *PrmObjectPut) SetCopiesNumber(copiesNumber uint32) {
+	x.copiesNumber = []uint32{copiesNumber}
+}
+
+// SetCopiesNumberVector sets number of object copies that is enough to consider put successful, provided as array.
+// Nil/empty vector means using default behavior.
+func (x *PrmObjectPut) SetCopiesNumberVector(copiesNumber []uint32) {
 	x.copiesNumber = copiesNumber
 }