Matrox D2G-A2A-IF DualHead2Go Analog External Graphics eXpansion Module Other Ports: Input connector: 1 x VGA input Output connectors: 2 x VGA outputs Power: USB for power Analog Resolution: 2560x1024 (2x 1280x1024) Operating Systems Supported: Microsoft Windows 7 (32/64 bit), Windows Vista (32/64bit), Windows XP (32/64bit), Windows Server 2003/2008 (32/64bit), Windows 2000, Mac OS X Lion (10.7), Mac OS X (10.6, 10.5, 10.4) and Linux ** ** Contact Matrox for tested versions of leading Linux distributions. System Requirements: Single VGA output connector, on a compatible system Powered USB connector Display driver supporting 2048 x 768 or 2560 x 1024 resolution Package Contents: One 2-foot HD-15-to-HD-15 monitor cable One USB cable Software CD