HP AMD FirePro V3900 1GB DDR3 DisplayPort DVI PCI-Express 2.1 x16 Graphics Video Card 707251-001.AMD GPU Model Number: FirePro V3900HP Part Number: 707251-001Compatible Part Numbers: 677893-003 677893-001 677982-001 703479-001 677893-002 ATI-102-C33109 102C3310810 71229812W0G 102C3310900 102C3310910 102C3310911Specifications:GPU Model: AMD FirePro V3900Bus Interface: PCI-Express 2.1 x16Stream Processors: 480Memory Size: 1GBMemory Type: DDR3Memory Interface: 128-bitMemory Bandwidth: (GB/s) 28.8GB/sRaw Floating Point Performance: 624GflopsPorts:1 DisplayPort 1.2 1 Dual-link DVIMax Resolution per output: 2560 x 1600API/Feature/OS SupportDirectX: 11OpenGL: v4.27OpenCL: v1.17Shader Model: 5.0AMD Eyefinity multi-monitor technology support: YesMax Power (TDP): <75 WMax Power (Measured): <50 WNumber Slots required: 1System Requirements: 512MB of system memoryAvailable PCI-E laneOperating System Requirements:Microsoft Windows 7, XP, Vista Linux (32-bit or 64-bit)