diff --git a/Renci.SshClient/Renci.SshNet/Netconf/NetConfSession.cs b/Renci.SshClient/Renci.SshNet/Netconf/NetConfSession.cs
index 39efc37f..e2c1a496 100644
--- a/Renci.SshClient/Renci.SshNet/Netconf/NetConfSession.cs
+++ b/Renci.SshClient/Renci.SshNet/Netconf/NetConfSession.cs
@@ -23,7 +23,7 @@ namespace Renci.SshNet.NetConf
         
         private const string _prompt = "]]>]]>";
         
-        private List<byte> _data = new List<byte>(32 * 1024);
+        private List<byte> _data = new List<byte>(16 * 1024);
         
         private EventWaitHandle _serverCapabilitiesConfirmed = new AutoResetEvent(false);
         
diff --git a/Renci.SshClient/Renci.SshNet/ScpClient.cs b/Renci.SshClient/Renci.SshNet/ScpClient.cs
index 65715fe0..813e216c 100644
--- a/Renci.SshClient/Renci.SshNet/ScpClient.cs
+++ b/Renci.SshClient/Renci.SshNet/ScpClient.cs
@@ -61,7 +61,7 @@ namespace Renci.SshNet
             : base(connectionInfo)
         {
             this.OperationTimeout = new TimeSpan(0, 0, 0, 0, -1);
-            this.BufferSize = 1024 * 32 - 52;
+            this.BufferSize = 1024 * 16;
 
             if (_byteToChar == null)
             {
diff --git a/Renci.SshClient/Renci.SshNet/Sftp/SftpSession.cs b/Renci.SshClient/Renci.SshNet/Sftp/SftpSession.cs
index 52b33125..b533131a 100644
--- a/Renci.SshClient/Renci.SshNet/Sftp/SftpSession.cs
+++ b/Renci.SshClient/Renci.SshNet/Sftp/SftpSession.cs
@@ -17,7 +17,7 @@ namespace Renci.SshNet.Sftp
     {
         private Dictionary<uint, SftpRequest> _requests = new Dictionary<uint, SftpRequest>();
 
-        private List<byte> _data = new List<byte>(32 * 1024);
+        private List<byte> _data = new List<byte>(16 * 1024);
 
         private EventWaitHandle _sftpVersionConfirmed = new AutoResetEvent(false);
 
@@ -385,7 +385,7 @@ namespace Renci.SshNet.Sftp
         /// <param name="wait">The wait event handle if needed.</param>
         internal void RequestWrite(byte[] handle, UInt64 offset, byte[] data, EventWaitHandle wait)
         {
-            var maximumDataSize = 1024 * 32 - 52;
+            var maximumDataSize = 1024 * 16;
 
             if (data.Length < maximumDataSize + 1)
             {
diff --git a/Renci.SshClient/Renci.SshNet/SftpClient.cs b/Renci.SshClient/Renci.SshNet/SftpClient.cs
index 511612e4..615f8286 100644
--- a/Renci.SshClient/Renci.SshNet/SftpClient.cs
+++ b/Renci.SshClient/Renci.SshNet/SftpClient.cs
@@ -64,7 +64,7 @@ namespace Renci.SshNet
             : base(connectionInfo)
         {
             this.OperationTimeout = new TimeSpan(0, 0, 0, 0, -1);
-            this.BufferSize = 1024 * 32 - 52;
+            this.BufferSize = 1024 * 16;
         }
 
         /// <summary>