Product Description XFX Geforce 6600 GT Extreme Gamer Edition - graphics adapter - GF 6600 GT - 128 MB, part code PVT43GNDD7 Device Type Graphics adapter Enclosure Type Plug-in card Interface Type PCI Express x16 Graphics Processor / Vendor NVidia GeForce 6600 GT RAMDAC Clock Speed 400 MHz API Supported DirectX 9.0, OpenGL 1.5 Video Memory Installed ( Max ) 128 MB - GDDR3 SDRAM Video Output 2048 x 1536 / 85 Hz Max Monitors Supported 2 TV Interface TV out System Requirements Microsoft Windows 2000, Microsoft Windows XP Includes games pack, full retail box.