SG31G2S Silver Aluminum Chassis Silentx 250W Pwr Supply Type - Barebone Form Factor - Shuttle Small Dimensions WxDxH - 300 x 200 x 185 mm Memory -- 2 x 240 pin DDR2 DIMM slots,2GB per DIMM (Max 4GB), Dual Channel DDR2 667/800 VGA -- Built-in Intel GMA 3100 256bit 3D engine with a powerful 400MHz core and DirectX 9.0, Dynamic Video Memory Technology 3.0 supports up to 384MB of video memory