HP AMD FirePro V7900 2GB 4x DisplayPort PCI-Express 2.0 x16 Graphics Video Card 654596-001.AMD GPU Model Number: FirePro V7900 HP Part Number: 654596-001Compatible Part Numbers: 653329-001 102C3260300 KCC-REM-ATI-102-C32601Specifications:Interface Type: PCI Express 2.0 x16 Graphics Processor: AMD FirePro V7900 Memory: 2GB BUS Width: 256 BIT Memory Technology: GDDR5 SDRAM RAMDAC Clock Speed: 400 MHZ Stream Processors: 1280API Supported: DirectX 11OpenGL 4.0 Shader Model: 5.0 Ports:4 DisplayPortDual Link DVI Supported: YesMax Monitors Supported: 2 Colors Max Resolution: 30-BIT ColorMax Resolution: 2560 x 1600 HDCP: YesOperating System Requirements: Windows 7 Professional 32/64-BIT, Vista Business 32/64-BIT, XP Professional 32/64-BIT, Red Hat Enterprise Linux 32/64-BIT, Linux Enterprise Desktop 11 32/64-BIT