- 1. 500W Redundant Power Supplies 80 PLUS, Platinum Level (94%). - 2. 8x 3.5" Hot-swap SAS / SATA Drive Bays. - 3. 2x Fixed 3.5" Drive Bays. - 4. Adjustable Air Shroud. - 5. 4x Full-height, Full-length I/O. - 3x Low-Profile Expansion Slots. - 6. Power Switch & 6 LED Indicators. - 7. Full SES2 support is available with SAS motherboards and other compatible components.