diff --git a/src/FrostFS.SDK.ClientV2/FrostFSClient.cs b/src/FrostFS.SDK.ClientV2/FrostFSClient.cs
index 830eb94..a7bfff4 100644
--- a/src/FrostFS.SDK.ClientV2/FrostFSClient.cs
+++ b/src/FrostFS.SDK.ClientV2/FrostFSClient.cs
@@ -294,7 +294,7 @@ public class FrostFSClient : IFrostFSClient
         return service.GetRangeAsync(args);
     }
 
-    public Task<IEnumerable<ReadOnlyMemory<byte>>> GetRangeHashAsync(PrmRangeHashGet args)
+    public Task<ReadOnlyMemory<byte>[]> GetRangeHashAsync(PrmRangeHashGet args)
     {
         if (args is null)
             throw new ArgumentNullException(nameof(args));
diff --git a/src/FrostFS.SDK.ClientV2/Interfaces/IFrostFSClient.cs b/src/FrostFS.SDK.ClientV2/Interfaces/IFrostFSClient.cs
index 48ab8e8..8e4bae4 100644
--- a/src/FrostFS.SDK.ClientV2/Interfaces/IFrostFSClient.cs
+++ b/src/FrostFS.SDK.ClientV2/Interfaces/IFrostFSClient.cs
@@ -44,7 +44,7 @@ public interface IFrostFSClient : IDisposable
 
     Task<RangeReader> GetRangeAsync(PrmRangeGet args);
 
-    Task<IEnumerable<ReadOnlyMemory<byte>>> GetRangeHashAsync(PrmRangeHashGet args);
+    Task<ReadOnlyMemory<byte>[]> GetRangeHashAsync(PrmRangeHashGet args);
 
     Task<FrostFsObjectId> PutObjectAsync(PrmObjectPut args);
 
diff --git a/src/FrostFS.SDK.ClientV2/Pool/Pool.cs b/src/FrostFS.SDK.ClientV2/Pool/Pool.cs
index 9e34551..00abda2 100644
--- a/src/FrostFS.SDK.ClientV2/Pool/Pool.cs
+++ b/src/FrostFS.SDK.ClientV2/Pool/Pool.cs
@@ -738,7 +738,7 @@ public partial class Pool : IFrostFSClient
         return await client.Client!.GetRangeAsync(args).ConfigureAwait(false);
     }
 
-    public async Task<IEnumerable<ReadOnlyMemory<byte>>> GetRangeHashAsync(PrmRangeHashGet args)
+    public async Task<ReadOnlyMemory<byte>[]> GetRangeHashAsync(PrmRangeHashGet args)
     {
         if (args is null)
         {
diff --git a/src/FrostFS.SDK.ClientV2/Services/ObjectServiceProvider.cs b/src/FrostFS.SDK.ClientV2/Services/ObjectServiceProvider.cs
index bb742a5..322fb3e 100644
--- a/src/FrostFS.SDK.ClientV2/Services/ObjectServiceProvider.cs
+++ b/src/FrostFS.SDK.ClientV2/Services/ObjectServiceProvider.cs
@@ -150,7 +150,7 @@ internal sealed class ObjectServiceProvider(ObjectService.ObjectServiceClient cl
         return new RangeReader(call);
     }
 
-    internal async Task<IEnumerable<ReadOnlyMemory<byte>>> GetRangeHashAsync(PrmRangeHashGet args)
+    internal async Task<ReadOnlyMemory<byte>[]> GetRangeHashAsync(PrmRangeHashGet args)
     {
         var ctx = args.Context!;
 
@@ -197,7 +197,7 @@ internal sealed class ObjectServiceProvider(ObjectService.ObjectServiceClient cl
 
         Verifier.CheckResponse(response);
 
-        var hashCollection = response.Body.HashList.ToArray().Select(h => h.Memory);
+        var hashCollection = response.Body.HashList.Select(h => h.Memory).ToArray();
 
         return hashCollection;
     }