Tyan GT24B8236-IL Barebone System - 1U Rack-mountable - AMD - 256 GB DDR3 SDRAM DDR3-1866/PC3-15000 Maximum RAM Support - 6Gb/s SAS, Serial ATA/300 RAID Supported Controller - ASPEED AST2050 Integrated - 4 x Total Bays - 2 x Total Expansion Slots - Processor Support (Opteron) - Gigabit Ethernet500 W: