Product SKUs CSE-731i-404B SuperChassis 731i-404B Form Factor Mini-Tower Chassis - supports for maximum motherboard sizes of 9.6" x 9.6" Processor Support Dual Intel® and AMD processors Dimensions Height 14.25" (362 mm) Width 7.25" (184 mm) Depth 16.75" (425 mm) Net Weight 16 lbs (7.26 kg) Gross Weight 20 lbs (9.07 kg) Packaging (W x H x L) 11" (279 mm) x 20" (508 mm) x 21" (533 mm) Available Color Black Expansion Slots 4 full-height & full-length expansion slot(s) Drive Bays 2 x 5.25" drive bay 4 x 3.5" fixed drive bay Front Panel Buttons Power On/Off button LEDs 1 Network Activity LEDs HDD activity LED Power LED System Overheat LED Ports 2x USB 3.0 Port(s) Systems Cooling Fans 1 x 9cm (2050 RPM) rear exhaust fan(s) Optional 1 x 8cm (front) cooling fan 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 400W ATX/PS2 Multi-output Power Supply Power Efficiency 90% Total Output Power and Input 400W 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: 0.37A / Min: 0A +12V Max: 12.62A / Min: 0.05A (100Vac - 240Vac) Max: 12.62A (100Vac - 240Vac) +5V Max: 8.75A / Min: 0.2A +3.3V Max: 11.48A / Min: 0A +5Vsb Max: 2.23A / Min: 0A Certification Gold Certified Gold Certified Regulatory (Power Supply) Power Supply Safety / EMC CE/EMC FCC class B UL/CB UL/CUL Components ? Standard Parts List Part Number Qty Description Cable(S) CBL-0084L 1 16PIN FRONT CTRL SPLIT CONVECTOR 6",PB FREE Cable(S) CBL-CUSB-1007 1 20p,F to 2x USB 3.0 type A,F,70CM,26/30AWG,RoHS Cable(S) CBL-PWCD-0260-IS 1 PWCD,US,NEMA5-15P TO IEC60320 C13,6FT,18AWG,RoHS/REACH Fan(s) FAN-0108L4 1 92X25MM 4-PIN PWM REAR EXT FAN FOR SC731 Drive Tray(s) MCP-220-73101-0B 4 SC731 Tool-less Internal 3.5inch HDD Tray Part(s) MCP-110-00033-0N 2 Binding Head Screw (with teeth) #632*4.5L Power Supply & Accessory PWS-404-PQ 1 PS2 400W Multi-output High Efficiency 80PLUS Gold Power Optional Parts List Part Number Qty Description Fan Kit FAN-0113L4 - 80X25MM 2.8K RPM 4-PIN PWM Fan For SC731 Peripheral Drive(s) DVM-SONY-DVDRW24-HBT - Black SONY 5.25" 24X DVD-RW, SATA Drive Peripheral Drive(s) DVM-LITE-DVDRW24-HBT - Black LITE-ON 5.25" 24X DVD-RW SATA Drive Peripheral Drive(s) DVM-LITE-DVDRW22-HB - Black LITE-ON 5.25" 22X DVD-RW IDE Drive Peripheral Drive(s) DVM-LITE-DVD18-HBT - Black LITE-ON 18X DVD-ROM SATA Drive HDD Tray Converter MCP-220-73102-0N - 2.5" to 3.5" SSD/HDD Adapter Tray for 731, 732, DS3, 842