specification : graphics engine ati radeon hd 4850 bus standard pci express x16 2.0 memory type gddr3 memory size(mb) 512 memory interface 256bit core clock speed(mhz) 625 memory clock speed(mhz) 1986 memory bandwidth(gb/sec) 63.552 texture fill rate(billion/sec) n/a dvi output 2 d-sub output 1(via dvi to d-sub adaptor) tv-output 1(via s-video to composite) hdmi-output 1(via dvi to hdmi adaptor) vivo(video-in/out) n/a hdtv support y hdcp support y hdmi support y dual-link dvi y display ouput(max resolution) 2560x1600 ramdacs 400 directx version support 10.1 opengl version support 2.1 corssfire support y sli support n/a 3-way sli n/a hypermemory tech. n/a turbocache tech. n/a gpu features ‧gddr3 memory ‧256-bit gddr3 memory interface ‧directx 10.1 support ‧24x custom filter anti-aliasing (cfaa) and high performance anisotropic filtering ‧ati crossfirex™ multi-gpu support for highly scalable performance ‧pci express 2.0 support ‧dynamic geometry acceleration ‧game physics processing capability ‧ati avivo™ hd video and display technology ‧unified video decoder 2 (uvd) ‧built-in hdmi with 7.1 surround sound support on-chip hdcp ‧upscale beyond 1080p ‧on-chip hdcp ‧hdmi supported ‧ati powerplay™ technology ‧energy efficient manufacturing process