ATI Radeon X1950 Pro 256MB Dual DVI S-Video PCI-Express Graphics Video Card ATI-102-A9990211.ATI Model Number: Radeon X1950 ProPart Number: ATI-102-A9990211Compatible Part Numbers: 109-A99931-10 102A9990211Specifications:Interface: PCI Express x16Chipset Manufacturer: ATIGPU: Radeon X1950 ProCore Clock: 575 MHzPixel Pipelines: 12 (36 Pixel shader processor )Effective Memory Clock: 1380MHzMemory Size: 256MBMemory Interface: 256-BitMemory Type: GDDR3Dual-Link DVI Supported: YesCertified for Windows Vista: YesHDCP Ready: Yes3D API:DirectX 9OpenGL 2.0Ports:2 DVI1 S-VideoMax Resolution: 2560 x 1600VIVO: YesRAMDAC: 400MHzCrossFireX Support: YesCooler: With Fan