Supermicro Chassis - Pedestal 4 x 3.5" Fixed HDD 500W PSU (SM-CSE-732D4-500B) - Form Factor: Mid-tower chassis support for max. motherboard size - 12" x 13" E-ATX, 12" x 10" ATX and 9.6" x 9.6" Micro-ATX, Processor Support: Dual, single Intel / AMD processors, Total Output Power and Input: 500W with Input 100 - 240Vac, Output Type: 24pin ATX, Expansion Slots: 7 full-height&full-length expansion slot(s), Drive Bays: 4 x 3.5-inch fixed drive bay, Peripheral Drives: 2 x standard 5.25-inch drive bay, 1 x 3.5-inch internal fixed drive bay, Fans: 1 x 12cm rear exhaust fan(s), Ports: 2 x USB 3.0 Port(s), 2 x USB 2.0 Port(s), 2 x HD/AC97 Audio port(s)