Nvidia Quadro FX4500 512MB GDDR3 Dual DualLink DVI Mini DIN-3 PCI-Express x16 Graphics Video Card 180-10347-0000-A03.Nvidia Model Number: Quadro FX 4500Nvidia Part Number: 180-10347-0000-A03Compatible Part Numbers: 900-50347-0300-000 600-50347-0000-300 Specifications:Interface: PCI Express x16GPU Model: Nvidia Quadro FX 4500RAMDAC: 400 MHzPixelPipelines: 8Memory Size: 512MBMemory Type: GDDR3Memory Interface: 256-bit3D API:DirectX 9OpenGL 1.5Ports:2 DVI1 Mini DIN-3SLI Supported: YesDual-Link DVI Supported: YesAnalog Resolution: 3840 x 2400Cooler: With FanOperating Systems Supported:Microsoft Windows XP, ME, 2000 LinuxSystem Requirements:PC compatible with Intel Pentium 4/Xeon or AMD Opteron class processor or higherOpen PCI Express x16 lane slotSLI requires an open x16 electrical and mechanical slot and a second x16 mechanical slot with x16, x8, or x4 electrical capability256MB system memory50MB of available disk space for full installationCD-ROM or DVD-ROM driveVGA or DVI-I compatible display350W power supply (450W required for SLI)