Supermicro X7DWE Motherboard - 5400 Xeon-dp LGA771 Dc MAX-32GB Atx 4PCIEX8 PCEX8 Pcix Fbd Vid Uio CPU: Dual 771pin LGA Sockets; FSB 1600/1333/1066 MHz Chipset: Intel 5400 (Seaburg) & ESB2 Memory: 4x 240pin DDR2-800/667/533 FB-DIMMs, Dual Branch, ECC, Max Capacity 32GB Slots: 4x PCI-Express x8 Slots; 1x PCI-Express x8 Slot (Run on x4); 1x 64-bit 133MHz PCI-X (3.3V) Slots; 1x UIO Slot IDE/SATA: 1x ATA-100 Channel; 6x SATA2 Ports, Support RAID 0, 1, 5, 10 Ports: 7x USB 2.0 Ports (2 rear, 4 by header, 1 Type A Connector); 2x PS/2 Ports; 1x Fast UART 16550 Serial Port; 1x VGA Port; 2x RJ45 LAN Ports