1. 4x 3.5″ SAS/SATA Backplane for Hot-Swappable Drives (Support SGPIO)
2. Front HDD Door Lock
3. Front I/O Ports: 2x USB 2.0
4. 1x 12cm Rear (4000 rpm) PWM Fan & 1x 9cm Front (4200 rpm) PWM Fan
5. Mid-Tower Chassis Supports max. Motherboard, Sizes ? E-ATX 12″ x 13″/ATX/Micro ATX
6. 668W Platinum Level Certified High-Efficiency Power Supply
7. 2x 5.25″ External HDD Drive Bays & 4x 3.5″ HDD Drive Bays