Tyan B8236G24V4H-IL Barebone System - 1U Rack-mountable - AMD SR5690 Chipset - Socket G34 LGA-1944 - 2 x Processor Support - 256 GB Maximum RAM Support - Serial ATA/300 RAID Supported Controller - ASPEED AST2050 Integrated - 4 x Total Bays - 2 x Total Expansion Slots - Processor Support (Opteron):