HP ATI FirePro V3800 512MB DDR3 DVI DisplayPort PCI-Express 2.1 x16 Graphics Video Card 608886-001.ATI GPU Model Number: FirePro V3800HP Part Number: 608886-001Compatible Part Numbers: 608528-002 102C0210611 ATI-102-C02101Specifications:GPU Model: ATI FirePro V3800Physical BUS Interface: PCI-E 2.1 X16 Stream Processor: 400 Memory Size: 512MB Memory Interface: DDR3 Memory Interface Width: 64 BIT Memory Bandwidth: 14.4GB/S Supported Tech:DirectX 11OpenGL 4.1OpenCL 1.1Shader Model 5.0Max Digital Resolution: 2560 x 1600 at 60HZ Ports: 1 DVI-I1 DisplayPortCooling System:1 HeatSink1 Fan Max Power Consumption: 43WOperating System Supported: Microsoft Windows 7, XP, Vista, Linux (32 BIT OR 64 BIT)