ATI FirePro V8800 2 GB 256-bit GDDR5 PCI Express 2.0 x16 CrossFire Supported Full Height/Full Length Workstation Video Card 100-505603 Interface: PCI Express 2.0 x16 Memory Size: 2GB Memory Interface: 256-bit Memory Type: GDDR5 Digital Resolution: 2560x1600 @ 60Hz CrossFire Supported: CrossFire Pro Cooler: With Fan Operating Systems Supported: Microsoft Windows 7, Windows XP, Windows Vista, Linux 14 (32-bit or 64-bit) System Requirements: 512MB of system memory CD-ROM drive (or internet access) for software installation Power supply w/225W for graphics Two 2x3 power connectors Auxiliary Power Connector: 2 x 6 Pin