SUPERMICRO SYS-5015B-MRB 1U Rackmount Server Barebone LGA 775 Intel 3210 DDRII 800/667 CPU Type: Intel Xeon 3200/3000 Series FSB: 1333/1066/800 MHz South Bridge: ICH9R + PXH Memory Slots: 4 x 240Pin Max Memory Supported: 8GB Channel Supported: Dual Channel ECC Supported: Yes ATA: One EIDE channel supports up to two UDMA IDE devices