Use ATI Radeon 9550 GPU Equipped with 128MB 128-bit high-speech DDR memory GPU core clock: 400MHz Max resolution: 2048 x 1536 Bus standard: AGP8x/ 4x VGA-out port: standard 15-pin D-sub,max resolution is 2048 x 1536 @ 85Hz TV-out port: S-VHS and composite, max. resolution is 1024 x 768 DVI: max. resolution is 1600 x 1200 Cooling: fan