Supermicro SuperChassis CSE-747TQ-R1620B 1620W 4U Rackmount/Tower Server Chassis (Dark Gray) 4U Rackmount/Tower Server Chassis 1620W Platinum Certified High-Efficiency Redundant Power Supply w/ PMBus Supports EATX, ATX Motherboards with Single or Dual Intel/AMD CPUs Up to 11 full-size expansion cards 8 x 3.5" hot-swappable SAS/SATA drive bays