PNY Nvidia Quadro FX 1800 768MB GDDR3 Dual DisplayPort DVI PCI-Express 2.0 x16 Graphics Video Card VCQFX1800-PCIE-T.Nvidia GPU Model Number: Quadro FX 1800PNY Part Number: VCQFX1800-PCIE-TSpecifications:Interface: PCI-Express 2.0 x16GPU Model: Nvidia Quadro FX 1800CUDA Cores: 64Memory Size: 768MBMemory Type: GDDR3Memory Interface: 192-bit3D API:DirectX 10OpenGL 3.0Ports:2 DisplayPort1 DVIDigital Resolution: 2560 x 16003D Vision Pro: For WindowsDual-Link DVI Supported: YesOperating Systems Supported:Windows 7 (64-bit and 32-bit), Windows Vista (64-bit and 32-bit), Windows XP (64-bit and 32-bit) and Windows 2000Linux (64-bit and 32-bit)Solaris