Biostar Socket 478/Intel G31/DDR2/A&V&L/Micro ATX Motherboard G31-M4 CPU: Socket 478 Supports Intel Pentium 4/Celeron D Processor; Support Intel Hyper-Threading Technology; FSB 800/533 MHz Chipset: Intel G31 & ICH7 Memory: 2x 240pin DDR2-800/667/533 DIMMs, Dual Channel, Max Capacity upto 2GB Slots: 1x PCI-Express x16 Slot; 2x PCI Slots LAN: Realtek RTL8102EL 10/100 Fast Ethernet Controller Ports: 8x USB 2.0 Ports (4 rear, 4 by headers); 2x PS/2 Ports; 1x VGA Port; 1x RJ45 LAN Port; Audio I/O Jacks