SUPERMICRO SYS-5015P-TRB 1U Rackmount Server Barebone LGA 775 Intel E7230 DDRII 667/533/400 CPU Type: Supports an Intel Pentium D (Smithfield Dual Core) processor Supports an Intel Pentium Extreme Edition processor Supports an Intel Pentium 4 processor Supports an Intel Pentium 4 Extreme Edition processor Supports an Intel Celeron D processor FSB: 1066/800/533 MHz South Bridge: ICH7R + 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