Supported operating system:

Windows XP 32-bit
Windows XP 64-bit
Windows Vista 32-bit
Windows Vista 64-bit
Windows 7 32-bit
Windows 7 64-bit

Release note:
Razer Diamondback 3G mouse version 1.01 driver for WinXP/XP-64/Vista/Vista-64/Win7/Win7-64 released on 9th May 2010.

Supported Devices:
Razer Diamondback 3G