Supermicro SuperChassis 747BTQ-R2K04B

8x 3.5 SAS/SATA Backplane for Hot-Swappable Drives (Support SES2)11x Full-Height, Full-Length Expansion Slots Optimized for 4x Double Width GPU SolutionFront HDD Door Lock & Side Panel Intrusion SwitchFront I/O Ports: 2x USB 3.0(2x) Rear Additional 80mm PWM Fans & (4x) Middle Lower 92mm PWM Fans4U / Full Tower Chassis Supports max. Motherboard, Sizes E-ATX 15.2 x 13.2/ ATX/Micro ATX2000W Redundant Titanium Level Certified High-Efficiency Power Supply3x 5.25 Zoll External HDD Drive Bays & 8x 3.5? Hot-Swappable HDD DrivesDimensions: Width 18.1 Zoll (460 mm), Height 7 Zoll (178mm), Depth 26.5 Zoll (673mm)Gross Weight 62 lbs (28.1kg)