Key Features • High Efficiency Power & High Capacity 1. 4U Storage Chassis 2. 900W (1+1) Redundant Power Supply 3. 24 x 3.5" SAS/SATA Hot-swappable Drive Bays 4. 7x Full-height, Full-length expansion slot 5. 3x Hot-Swappable Cooling Fans 2x exhaust fans & air-shroud 6. Power Switch, Reset Switch & 6 LED Indicators Please Note: Full SES2 Support is only available on SAS motherboards