Supermicro SuperWorkstation. 64 GB DDR4 SDRAM DDR4-2133/PC4-17000 Maximum RAM Support - Serial ATA/600 RAID Supported Controller - ASPEED AST2400 Integrated - 6 x Total Bays - 2 5.25" Bay(s) - 4 3.5" Bay(s) - 6 x Total Expansion Slots - Processor Support (Xeon, Core i3, Core i5, Core i7) - Gigabit Ethernet - 6 USB 3.0 Port(s) - 1 x 500 W.