diff --git a/src/NTwain/Triplets/Control/SetupMemXfer.cs b/src/NTwain/Triplets/Control/SetupMemXfer.cs
new file mode 100644
index 0000000..d337288
--- /dev/null
+++ b/src/NTwain/Triplets/Control/SetupMemXfer.cs
@@ -0,0 +1,47 @@
+using NTwain.Data;
+using NTwain.Internals;
+
+namespace NTwain.Triplets.Control
+{
+    /// <summary>
+    /// Represents <see cref="DataArgumentType.SetupMemXfer"/>.
+    /// </summary>
+    public sealed class SetupMemXfer : BaseTriplet
+	{
+		internal SetupMemXfer(TwainSession session) : base(session) { }
+
+		/// <summary>
+		/// Returns the Source’s preferred, minimum, and maximum allocation sizes for transfer memory
+		/// buffers.
+		/// </summary>
+		/// <param name="setupMemXfer">The setup mem xfer.</param>
+		/// <returns></returns>
+        public ReturnCode Get(ref TW_SETUPMEMXFER setupMemXfer)
+        {
+            if (Is32Bit)
+            {
+                if (IsWin)
+                    return NativeMethods.DsmWin32(Session.Config.App32, Session.CurrentSource.Identity32,
+                        DataGroups.Control, DataArgumentType.SetupMemXfer, Message.Get, ref setupMemXfer);
+                if (IsLinux)
+                    return NativeMethods.DsmLinux32(Session.Config.App32, Session.CurrentSource.Identity32,
+                        DataGroups.Control, DataArgumentType.SetupMemXfer, Message.Get, ref setupMemXfer);
+                if (IsMac)
+                    return NativeMethods.DsmMac32(Session.Config.App32, Session.CurrentSource.Identity32,
+                        DataGroups.Control, DataArgumentType.SetupMemXfer, Message.Get, ref setupMemXfer);
+            }
+
+            if (IsWin)
+                return NativeMethods.DsmWin64(Session.Config.App32, Session.CurrentSource.Identity32,
+                    DataGroups.Control, DataArgumentType.SetupMemXfer, Message.Get, ref setupMemXfer);
+            if (IsLinux)
+                return NativeMethods.DsmLinux64(Session.Config.App32, Session.CurrentSource.Identity32,
+                    DataGroups.Control, DataArgumentType.SetupMemXfer, Message.Get, ref setupMemXfer);
+            if (IsMac)
+                return NativeMethods.DsmMac64(Session.Config.App32, Session.CurrentSource.Identity32,
+                    DataGroups.Control, DataArgumentType.SetupMemXfer, Message.Get, ref setupMemXfer);
+
+            return ReturnCode.Failure;
+		}
+	}
+}
\ No newline at end of file
diff --git a/src/NTwain/Triplets/DGControl.cs b/src/NTwain/Triplets/DGControl.cs
index 0e6ef0c..42da90d 100644
--- a/src/NTwain/Triplets/DGControl.cs
+++ b/src/NTwain/Triplets/DGControl.cs
@@ -57,6 +57,12 @@ namespace NTwain.Triplets
         /// </summary>
         public PassThru PassThru => _passThru ?? (_passThru = new PassThru(Session));
 
+        SetupMemXfer _memXfer;
+        /// <summary>
+        /// Gets the operations defined for DAT_SETUPMEMXFER.
+        /// </summary>
+        public SetupMemXfer SetupMemXfer => _memXfer ?? (_memXfer = new SetupMemXfer(Session));
+
         XferGroup _xferGroup;
         /// <summary>
         /// Gets the operations defined for DAT_XFERGROUP.