Form Factor 2U M/B Form Factor Extended ATX (12"x13") Drive Bays RM23812 (3.5" Hot-swap):12 PSU Form Factor 1+1 CRPS (80+ Platinum) or 2U Single Indicators 1 x Power Status, 2 x LAN Activity, 1 x UID,1 x HDD Status, 1 x System status Front Control Power On/Off, System Reset, UID, 1 x USB3.0 2 x USB3.0 System Security Intrusion switch (Option) Cooling Fans Middle: 3 x 80 mm (Up to 4), PWM (Hot-swap Non Hot-swap) Expansion Slots 7 x Low Profile or 3 x Full Height HDD Backplane 12-port 3.5" 12Gb/s Mini-SAS HD, w/Expander Front Bezel Option Cubic Feet 3.3 Container Loading (Single Packing) 20: 200, 40: 460, 40H: 506 HDD Backplane 1 PSU Bracket 1 Bracket 1 Cover (Front) 1 Cover (Rear) 1 Fan Cage 1 Fan 3