visiontek 900252 radeon hd 4650 1 gb 128-bit gddr2 pci express 2.0 graphics card .
pci express 2.0 x16 interface 320 stream processing units 1gb memory 128-bit gddr2 directx 10.1 opengl 2.0 2 dvi and one hdtv s-video out 400 mhz ramdac 2560 x 1600 max resolution crossfire supported dual-link dvi supported onboard fan requirements 350 watt or greater power supply 500 watt for ati crossfirex technology in dual mode is recommended