SUPERMICRO SYS-7046A-6 Tower Server Barebone Dual LGA 1366 Intel 5520 DDR3 1333/1066/800 CPU Type: Supports up to two Intel 64-bit Xeon processor(s) of the same type below: Intel Xeon Processor 5600 Series (Westmere) Intel Xeon Processor 5500 Series (Nehalem-EP) South Bridge: ICH10R + IOH-36D Memory Slots: 12 x 240Pin Max Memory Supported: 192GB ECC Supported: Yes Registered: Yes Serial ATA: 6 x SATA 300 SATA RAID: RAID 0, 1, 5, 10 support (Windows) RAID 0, 1, 10 support (Linux)