Two Intel? Xeon 3.06GHz processor (1 MB Level 3 writeback cache - per processor), up to two supported, ServerWorks GC-LE chipset, with 533MHz Front Side Bus, 1024MB (Standard) to 8GB (Maximum) of 2-way interleaved capable PC2100 DDR SDRAM running at 266MHz (2x512MB) , Two Hot Plug SCSI Drive bays, supporting 1-inch Drives, Dual Port Fibre Channel Mezzanine Card (2GB) for ProLiant BL20p G2 included, Architected for enterprise performance and expansion: 8GB PC2100 DDR memory maximum, Three gigabit NICs standard and 1 dedicated iLO NIC and 293.6GB of internal storage, Integrated management system and full-compatibility with the Insight Manager