Form Factor 3U chassis Processor Support N/A Drive Bays Up to 16 x 3.5" hot-swap HDD bays for JBOD solution Backplane BPN-SAS3-836EL1 (SAS3 12Gb/s Single Expander backplane with 16 SAS3 3.5" drive slots connected through 4 mini-SAS3 HD cable connectors) Buttons Power On/Off button System Reset Button Unit Identification (UID) button LEDs 1 Network Activity LEDs Fans 3x 8cm hot-swap redundant PWM cooling fans 2x 8cm hot-swap exhaust fans and air shroud Power Supply 800/1000W Redundant Titanium Level (96%) Single Output Power Supplies Weight 80 lb Warranty Information 1 Year