Rack-mount chassis 731i-300B

backplane2 drive bays4 drive bays

90° Rotatable HDD Cage Whisper-Quiet (<25dB) Front I/O Supports 2x USB 2.0 1x Optional Front Intake 8cm (2800 RPM) PWM Fan Mini-Tower Chassis Supports Micro-ATX Motherboard, Size 9.6” x 9.6” 300W Bronze Level Certified High-Efficiency Power Supply 1x Rear 9cm (2050 RPM) PWM Fan Processor Support Dual Intel® and AMD processors Dimensions Height - 14.25" (362 mm) Width - 7.25" (184 mm) Depth - 16.75" (425 mm) Gross Weight - 20 lbs (9.07 kg) Net Weight - 16 lbs (7.26 kg) Packaging (W x H x L) - 11" (279 mm) x 20" (508 mm) x 21" (533 mm) Available Color - Black Expansion Slots 4x Full-height, Full-length expansion slot(s) Front Panel Button - Power On/Off button LED - HDD activity LED 1 Network activity LEDs Power LED System Overheat LED Port - 2x USB 2.0 Port(s) Systems Cooling Fans - Optional 1x 8cm (front) cooling fan 1x 9cm (2050 RPM) rear exhaust fan(s) Operating Environment (System) Operating Temperature Range - 5°C - 35°C (41°F - 95°F) Non-Operating Temperature Range - -40°C - 70°C (-40°F - 158°F) Operating Relative Humidity Range - 8% - 90% (non-condensing) Non Operating Relative Humidity Range - 5% - 95% (non-condensing) Power Supply PS2 300W Multi-output power supply, 24pin output, Bronze level Power Efficiency - 87% Total Output Power and Input - 300W with Input 100 - 240Vac AC Input Frequency - 50-60Hz Dimensions (L x W x H) - 140 x 150 x 86 mm Output Type - 24pin ATX -12V - Max: 0.3A / Min: 0A +12V - Max: 16A / Min: 0.2A (100Vac - 240Vac) Max: 18A / Min: 0.2A (100Vac - 240Vac) +5V - Max: 13A / Min: 0.1A +3.3V - Max: 12A / Min: 0.1A +5Vsb - Max: 2A / Min: 0A