Power supply output 350 W 80plus certification 80 PLUS Platinum (>94%) PMBus support No Power supply redundancy Single CE voltage type AC CE voltage range 100 - 240 V CE power consumption range 2.5-5A CE frequency range 50 - 60 Hz Manufacturer (chassis) Supermicro Design Rack (19") U 1 U Height 43 mm (H) Width 437 mm (W) Depth 429 mm (D) HDD Slots 4 x drives SAS/SATA slots 4 x SAS / SATA SATA slots (2.5" internal) 4 x 2.5" Backplane type (Not hot-swap) Backplane technology without Backplane Drives not contained, optional available USB-Ports (front) 0 x USB Front Power supply Single 350 W Extension-slots (LP) 2 x Low Profile Extension-slots Riser (LP) 2 x Low Profile Risercard Number of fans (rear) 4x 40x56mm Fans Fan dimensions (rear) 40x56 mm Revolutions (rear) 11000 rpm Fan hot-swap/non-hot-swap (rear) non-hot-swap Silent blowerkit option no Assembly rails contained in the scope of supply Recommended deployment location To ensure the optimal cooling of the system, we recommend running the server in an air conditioned server room and as part of a rack installation. The server is not ideal for use in an office environment due to its high noise levels.