Chipset Intel G41 nort brige chipset cpu support INTEL PENTIUM 4 524 3.06 GHZ /1MB /533MHZ INTEL PENTIUM 4 630 3.00GHZ / 2MB/ 800 INTEL PENTIUM 4 519K 3.06GHZ /1MB /533MHZ INTEL PENTIUM D 820 2.8GHZ /2MB / 800 INTEL DUAL CORE E5300 2.6 2MB INTEL CORE 2 DUO E6400 2.4 GHZ / 2MB / 800 Memory 2x DIMM DDR3 1066/1333 MHz Dual Channel Memory Architecture. Graphic ON BOARD INTEL G41 EXPRESS CHIPSET FAMILI Expansion Slots 1xPCIe 2.0x16,2x PCI Storage 4 x SATA 3Gb/s port(s),1 x IDE LAN Realtek 8105E 100/10Mbps LAN Audio Realtek ALC 662 6-Channel High Definision Audio Usb port 8x USB 2.0 port(s) (4 at back panel,4 at mid-board) Back I/O Port 1x PS/2 keyboard (purple), 1x PS/2 mouse (green), 1x LAN (RJ45) port (s) 4x USB 2.0 1x VGA 3x Audio jack (s) Internal I/O port 2x USB 2.0 connector(s)additional 4. USB 2.0 port (s) 4x SATA 3Gb/s connector (s)