Dell ATI Radeon HD2400XT 256MB DDR2 DMS-59 S-Video PCI-Express x16 Low Profile Graphics Card XX355 0XX355 CN-0XX355. ATI GPU Model Number: Radeon HD 2400 XTDell Part Number: XX355 0XX355 CN-0XX355Compatible Models: Dell XPS 210, Vostro 200, OptiPlex 320 330 740 740e 745 745e 755 760Specifications: Card Interface: PCI-Express X16 Graphic Processor: ATI Radeon HD 2400 XTGPU Clock Speed: 650 MHZRAMDAC Speed: 400 MHZInstalled Memory: 256 MBMemory Tech: DDR2 SDRAMMemory Clock: 500 MHZMemory Data Width: 64-BITMemory Bandwith: 16.0 GB/SMax screen resolution: 2048 x 1536 API Supported: DirectX 10.0OpenGL 2.0Ports: 1 DMS-591 S-VideoOperating System Requirements:Microsoft Windows 2000, XP (Home, Professional), Vista (Business, Home Premium)