Supermicro SuperServer 4028GR-TR Barebone System - 4U Rack-mountable - Intel C612 Chipset - Socket R3 (LGA2011-3) - 2 x Processor Support - Black - 1.50 TB DDR4 SDRAM DDR4-2133/PC4-17000 Maximum RAM Support - Serial ATA/600 RAID Supported Controller - ASPEED AST2400 Integrated - 24 x Total Bays - 24 2.5" Bay(s) - 11 x Total Expansion Slots - Processor Support (Xeon) - Gigabit Ethernet - 4 USB 3.0 Port(s) - 4 x 1.60 kW: