Model G31LM CPU Intel® Socket 775 for Core™ 2 Duo / Core™ Duo / Pentium™ 4 / Pentium™ D / Celeron™ D Processors Chipset Intel® G31 + ICH7 Memory 2 x DIMM, Max. 4GB, DDR2 800/667 MHz Dual Channel Memory Architecture Graphic Integrated Graphics Processor Expansion Slots 1 x PCIe 2.0 x16 1 x PCI Storage 1 X IDE 2 x SATA 3Gb/s port(s) LAN Realtek® 8105E Audio 6 Channel HD Audio USB Ports 8 x USB 2.0 port(s) (4 at back panel, 4 at mid-board) Back I/O Ports 1 x PS/2 keyboard (purple) 1 x PS/2 mouse (green) 1 x LAN (RJ45) port(s) 4 x USB 2.0 1 x VGA 1 x COM 1 x LPT 3 x Audio jack(s) Internal I/O Ports 2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s) 2 x SATA 3Gb/s connector(s) Accessories User's manual I/O Shield SATA 3Gb/s cable(s) Form Factor macroATX Form Factor