SUPERMICRO SYS-7045A-3 Tower Server Barebone Dual LGA 771 Intel 5000X DDRII 667/533 CPU Type: Supports up to two Intel 64-bit Xeon processor(s) of the same type below: Quad-Core Intel Xeon Processor 5400/5300 sequence(Harpertown/Clovertown processor)up to 3.16 GHz Dual-Core Intel Xeon Processor 5200/5100/5000 sequence (Wolfdale/Woodcrest/Dempsey processor) up to 3.40 GHz FSB: 1333/1066/667 MHz South Bridge: MCH + PXH-V + ESB2 Memory Slots: 8 x 240Pin Max Memory Supported: 32GB ECC Supported: Yes ATA: Single EIDE channel supports up to two UDMA IDE devices (IDE-M, IDE-S) SAS: Adaptec AIC-9410W Serial-Attached SCSI (SAS) Controller Host RAID 0, 1, & 10 support