The central processor INTEL ATOM330, 45 NM 1.6 g, L1 24 KB, 32 KB, 512 KB L2 chipset I945, I82945G, IGMA950 82801 GB [ICH7 / R] Converge-wires side before 533 MHz memory 1 x DIMM, 2 GB, DDR2 800 as ECC, Expansion slot 1 x PCI Storage function 2 xSATA 3 Gb/s ports Network function Realtek PCIE GBELANController Sound function Realtek ALC 662 ATISB600 6 channel High-Definition Audio CODEC USB 6 USB 2.0 ports (2 ports at mid-board, 2 ports at back panel) Backplane I/O port 1 x D-Sub 1 group PS / 2 keyboard 1 group RJ45 Internet holes Four groups USB 2.0/1.1 8 track sound I/O 1 x 25 PIN LPt COM 1 X DB-9 PIN sport Built-in I/O connection holes Two groups USB connection support additional 2 USB ports Group 1 CPU fan links One group of power supply fan links 1 x Front Panel connector 1 x High Definition front panel audio connector 24-pin EPS 12 V Power connector 1 x Chassis Intrusion connector Volume Mini ITX specifications. 17.1 cm x 17.1 cm. Weight:1.5kg.