- 740W Redundant Power Supplies 80 PLUS, Platinum Level (94%) - 8x 3.5" Hot-swap SAS / SATA Drive Bays - 2x Fixed 3.5" Drive Bays - Adjustable Air Shroud - 4x Full-height, Full-length I/O 3x Low-Profile Expansion Slots - Power Switch & 6 LED Indicators - Full SES2 support is available with SAS motherboards and other compatible components.