Asus P5W64 WS Professional Core 2 Duo/ 975X/ 4PCIE x16/ A&2GbE/ ATX Motherboard
Specifications:

Mfr Part Number: P5W64-WS PRO
CPU: Socket 775 support Intel Core 2 Extreme/ Core 2 Duo/ Pentium Extreme Edition/ Pentium D/ Pentium 4/ Celeron processor; Support Intel next generation Mulit-Core CPU; Compatible with Intel 06B, 05B/ 05A and 04B/04A processors; Intel EM64T and Hyper-Threading Technology ready; FSB 1066/800 MHz
Chipset: Intel 975X & ICH7R + IDT 89HA0324
Memory: 4x 240pin DDR2-800/667/533 DIMMs, Dual Channel, ECC and non-ECC/un-buffered, Max capacity 8GB
Slots: 4x PCI Express x16 slots; 2x PCI 2.2 slots
IDE/SATA: 1x ATA-100 channel, 4x SATA2 ports support RAID 0, 1, 10, 5 (Intel ICH7R); 1x External SATA2 port, 3x SATA2 ports support RAID 0, 1, 10 (Marvell 88SE6145)
Audio: ADI 1988B 8-channel High Definition Audio CODEC
LAN: Marvell 88E8052 + 88E8001PCI-E Dual Gigabit Ethernet Controller
Ports: 8x USB 2.0 ports (4 rear, 4 by headers); 2x IEEE1394a headers; 2x PS/2 ports; 1x Parallel port; 1x S/PDIF Out (Coaxial + Optical); 1x External SATA port; 2x RJ45 LAN ports; Audio I/O jack
Form Factor: ATX, 12 x 9.6 inch / 30.5 x 24.5 cm
Package: Retail