Aopen Digital Engine, Supports Socket M 479(Intel Core 2 Duo/Core Duo/Core Solo CPU), Intel 945GM+ICH7M chipset, 533/667Mhz FSB, DDRII x 2 (533/667) SO DIMM Max 2G. Multi-TV x1 ( Composite + S-Video + YPbPr) cable optional, 5.1 CH HD Onboard, Gigabit Lan Onboard, 1x 2.5" HDD (SATAII), 1x Internal mini PCI, 1x Slot-in Slim ODD, 4x USB 2.0 (2 Rear + 2 Front), 1x IEEE1394, Windows Vista Compatible, Barebone Unit Only ! No Optical drive ~