1. 440W High-efficiency Power Supply Platinum Level (94%+)
2. 4x 3.5" Hot-swap SAS/SATA Drive Bays
3. 1x USB/COM Port tray in Slim DVD bay(Optional)
4. 4x 4cm high performance cooling fans
5. 1x Full-height I/O Expansion Slot
6. 1U Short-Depth Rackmount Chassis