Technical Datas: ATI Rage 128VR - Videocard - 32MB Type Enclosure Type: Plug-in card connector PCI GPU ATI Rage 128VR RAMDAC Clock Speed 400 MHz API Supported OpenGL, DirectX memory 32 MB - DDR SDRAM Video Output 2048 x 1536 / 85 Hz - 24-bit (16.7 million colors) maximum Monitor support: 21 (VGA) Compliant Standards DDC-1, DDC-2B, VESA DPMS, DDC-2B+ System requierment: Microsoft Windows 98, Microsoft Windows 98 Second Edition / Windows ME, Microsoft Windows 2000 / XP 32bit version (NOT for WINDOWS 7 )