Key Features 1. Gold level 1400W High-efficiency Redundant (1+1) power supply (93%) 2. 4x dedicated power connectors (6pin + 8pin) for high-end GPUs 3. 8x 3.5" Hot-swap SAS/SATA HDDs 4. 11x Full-height, Full-length expansion slots optimized for 4x double width GPU solution 5. Advanced fan speed control 6. Power Switch, Reset Switch & 5 LED Indicators; 2x Front USB Ports 7. Highest Quality Chassis Built - Superb Components, Fans, & Power Supply Form Factor Tower / 4U chassis support for DP and UP ATX, E-ATX motherboards: up to size 15.2" x 13.2" Processor Support Supports dual, single Intel® / AMD processors Dimensions : 178 x 452 x 746 mm Gross Weight 72 lbs (32.7kg) Package 38.6" x 26.6" x 17.4" Available Color Dark Gray Expansion Slots Capable of housing 11x Full-Height, Full-Length expansion cards Drive Bays Hot-swap 8x 3.5" Hot-swap SAS/SATA Drive Bays Peripheral Bay(s) 3x 5.25" drive bays in storage module - rotates 90° for Rackmount 1x 3.5" fixed drive bay SAS / SATA Backplane SAS / SATA Hard Drive Backplane with SES2 Front Panel Buttons LED Power On/Off button System Reset button LEDs Hard drive activity LED 2x Network activity LEDs System Overheat LED Power Fail LED Ports 2x Front side USB Ports System Cooling Fans 4x 5000 RPM Hot-swap Cooling Fans 2x 5000 RPM Hot-swap Rear Exhaust Fan System Monitoring Chassis intrusion switch