features: » directx 10.1 » 24x custom filter anti-aliasing (cfaa) and high performance anisotropic filtering » ati crossfirex multi-gpu support for highly scalable performance » use up to four discrete cards with an amd 790fx based motherboard » dynamic geometry acceleration » game physics processing capability » ati avivo hd video and display technology, unified video decoder 2 (uvd) for blu-ray and hd video » built-in hdmi with 7.1 surround sound supporton-chip hdcp » ati powerplay technology specifications: » display output: dual dl-dvi-i+hdtv » core clock: 750 mhz » memory clock: 900 mhz, 3.6gbps » pci express 2.0 x16 bus interface » 512mb /256bit gddr5 memory interface » dual slot active cooler » hdmi compliant via dongle » 7.1 audio channel support » microsoft directx 10.1 support » shader model 4.1 support