Support Intel Hyper-Threading Technology; FSB 1333/1066/800 MHz Chipset: Intel G31 & ICH7 Memory: 2x 240pin DDR2-800/667 DIMMs, Dual Channel, Max Capacity 4GB Slots: 1x PCI-Express x16 Slot; 1x PCI Slot IDE/SATA: 1x ATA-100 Channel; 2x SATA2 Ports Audio: Realtek ALC662 6-Channel HD Audio CODEC Video: Intel GMA 3100 Graphics Controller, Shared Memory Upto 256MB LAN: Realtek RTL8102EL 10/100 Ethernet Controller Ports: 6x USB 2.0 Ports (4 rear, 2 by headers); 2x PS/2 Ports; 1x VGA Port; 1x RJ45 LAN Port.