SUPERMICRO SYS-6015TW-INFV 1U Rackmount Server Barebone (Two Systems) Dual LGA 771 Intel 5400 DDRII 800/667/533 CPU Type: Supports up to Dual Intel 64-bit Xeon processor(s) of the same type below: Quad-Core Intel Xeon Processor 5400/5300LV sequence (Harpertown/Clovertown processor) up to 3.20 GHz Dual-Core Intel Xeon Processor 5200/5100LV sequence (Wolfdale/Woodcrest processor) up to 3.40 GHz FSB: 1600/1333/1066 MHz South Bridge: Intel ESB2 Memory Slots: 8 x 240Pin Max Memory Supported: 64GB ECC Supported: Yes Serial ATA: 4 x SATA 300 SATA RAID: RAID 0, 1, 5, 10 support (Windows only) RAID 0, 1, 10 support (Linux)