Supermicro X8DTL-6 Motherboard - 5500 Dp LGA1366 Dc MAX-48GB Atx PCIE8 2.0 2PCIE4 2.0 PCIE4 2PCI CPU: Dual LGA1366 Sockets Support Dual Quad-Core Intel Xeon Processor 5500 sequence(Nehalem-EP processor); QPI 6.4 GT/s Chipset: Intel 5500(Tylersburg)& ICH10R + IOH-24D Memory: 6x 240-pin DDR3-1333/1066/800 DIMM, Supports upto 48GB ECC/REG memory Or upto 12GB ECC/Unbuffered memory Slots: 1x PCI-Express 2.0 x8 Slots(run in x16); 2x PCI-Express 2.0 x4 Slots(run in x8); 1x PCI-Express x4 Slots(run in x8); 2x 33MHz PCI Slots SAS: LSI 2008 SAS Controller; 8x 6Gbps SAS/SATA ports, support RAID 0, 1, 10 Ports: 5x USB 2.0 Ports (2 rear, 1 on-board, 2 by headers); 2x PS/2 Ports; 1x VGA Port; 1x Series Ports; 2x RJ45 LAN Ports LAN: Dual Intel 82574L Gigabit Ethernet Controller