Supermicro SuperServer 5039AD-I Barebone System Mid-tower - Intel X299 Chipset - Socket R4 LGA-2066 - 1 x Processor Support - Black - 128 GB DDR4 SDRAM DDR4-2666/PC4-21300 Maximum RAM Support - Serial ATA/600 RAID Supported Controller - ASPEED AST2500 Integrated - 12 x Total Bays - 2 5.25" Bay(s) - 6 3.5" Bay(s) - 4 2.5" Bay(s) - 5 x Total Expansion Slots - Processor Support (Core i5, Core i7, Core i9 Extreme, Core X-Series, Core i9) - 5 Gigabit Ethernet - 4 USB 3.0 Port(s) - 1 x 750 W