Key Features1. 710W High-efficiency DC Power Supply.2. 8x 3.5" Hot-swap SAS/SATA Drive Bays.3. 1x Slim DVD-ROM Drive (Optional), 1x Slim Floppy Drive (Optional).4. 3x 80mm 6300 RPM Fan.5. 7x Low-profile, Full-length I/O Expansion Slot.6. 1x Serial, 2x USB Front Access I/O.7. Power Switch & 6 LED Indicators.