B5375G20V4H - Dual LGA771 sockets; - Supports up to two Intel® Woodcrest/ Wolfdale/ Harpertown processors; 1.33/ 1.06GHz FSB; - Intel® 5100 (San Clemente) / ICH9-R chip; - Supports eight (8) DDR2- DIMMs, DDR2-533/667 memory, Max 32G; - (2) LANs: 2*GbE(Two 82573V via PCIe x1 signal); - One(1) PCI-E x16 riser(M2083 pre-installed); - Hard Disk Drives: Supports (4) SATA/SATA2 HDD with RAID 0,1,5,0+1; - Pre-install SATA DVD-ROM; - EPS 12V, 1U, 600W with PFC.