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SuperChassis 743i-645 / 743i-645B

Super Micro Computer, Inc.
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  Products   Chassis   4U   [ SC743i-645 / SC743i-645B ]

Alternate View

Side Handles Not Included
(Available with Optional Rail Kit)

0Rear View
Available Colors


Key Features
1. 645W Low-Noise Power Supply
2. 2x 4-Fixed Hard Drive Carriers
3. 2x 5.25" Peripheral Drive Bays
4. 1x 5.25" Drive Bay For 3.5" Drive
5. 7x Full-height, Full-length expansion slot
6. 4x 5000 RPM Hot-swap PWM
   Cooling Fans
7. 2x Front USB Ports
8. Locking Bezel with Filter
9. Power Switch, Reset Switch &
    6 LED Indicators

Download Manual
Product SKUs - Discontinued SKU. Please contact sales-rep for possible OEM production quantities. MOQ may apply
  • SuperChassis 743i-645 (Beige)
  • SuperChassis 743i-645B (Black)
Form Factor
4U chassis support for max. motherboard size - 12" x 13" E-ATX
Processor Support
Supports dual, single Intel® / AMD processors
  • 7.0" (178mm)
  • 17.8" (452mm)
  • 25.5" (648mm)
Gross Weight
  • 56 lbs (24.5kg)
Available Colors
  • Beige, Black
Expansion Slots
7x Full-height, Full-length PCI expansion slots
Drive Bays
Drive Carrier(s)
  • 2x 4 Fixed Hard Drive Carrier
  • SAS or enterprise SATA HDD only recommended
Peripheral Bay(s)
  • 2x 5.25" Peripheral Drive Bay
  • 1x 5.25" Bay For 3.5" Drive
Front Panel
  • Power On/Off button
  • System Reset button
  • Power LED
  • Hard drive activity LED
  • 2x Network activity LEDs
  • System Overheat LED
  • Power Fail LED
  • 2x USB Ports

Exception caught! Variable PRODID is undefined.
System Cooling
  • 4 5000 RPM Hot-swap PWM Cooling Fans
  • Rear exhaust fans excluded
      (for optimized Superquiet System)
System Monitoring
Chassis intrusion switch
Operating Environment (System)
Operating Temperature Range
  • 5°C ~ 35°C (41°F ~ 95°F)
Non-Operating Temperature Range
  • -40°C ~ 60°C (-40°F ~ 140°F)
Operating Relative Humidity Range
  • 8% ~ 90% (non-condensing)
Non-Operating Relative Humidity Range
  • 5% - 95% (non-condensing)
Power Supply
645W Low-Noise AC power supply with PFC
[ 24-pin, (4-pin, 8-pin) = 12V ]
AC Voltage
  • 100 - 240V, 50 - 60Hz, 11 - 5Amp
DC Output
  • 5V + 3.3V ≤ 160W
  • 30.0 Amp
+5V standby
  • 4.0 Amp
  • 46.0 Amp
  • 0.6 Amp
  • 30.0 Amp
Regulatory (Power Supply)
Power Supply Safety / EMC
  • USA - UL listed, FCC
  • Canada - CUL listed
  • Germany - TUV Certified
  • Europe/CE Mark
  • EN 60950/IEC 60950-Compliant
Standard Parts List
  Part Number Qty Description
Chassis CSE-743i-645
4U Chassis (Beige)
4U Chassis (Black)
Cable(s) CBL-0087
Front Panel Ribbon Cable
6" Split Converter Cable
4 to 4-pin middle fan power extension cable, 200mm (PWM)
Drive Trays CSE-PT31(B) 2 4x 3.5" Fixed Hard Drive Trays (B = Black)
Fan(s) FAN-0074L4 4 80x38mm 4-pin PWM (middle) Fan
Power Supply PWS-0060 1 SP645-PS 645W Low-Noise Power Supply
Air Shroud MCP-310-48002-0N 1 SC743 Intel DP X8.X7 PC Air Shroud [ Manual ]
Optional Parts List
  Part Number Qty Description
Cable CBL-0286L - 4 to 4 pin rear fan pwr ext w/ square header, 30cm (PWM)
Cable Management Arm MCP-290-00073-0N - Supermicro Cable Management Arm for 2U, 3U and 4U chassis (Extendable Length: 70mm to 830mm)
Fan(s) FAN-0082L4
80x38mm 4-pin PWM fan
92X38mm 4-pin PWM fan
92x25mm 4-pin PWM fan
80x25mm 4-pin PWM fan
Heatsink / Retention - - Please refer to our Thermal Components Matrix
Mounting Rails CSE-PT26L-B - 4U Chassis Rail Kit (Includes Side Handles) (B = Black)
Peripheral Drives DVM-LITE-DVDRW24-HBT
- Black LITE-ON 5.25” 24X DVD-RW SATA Drive
Adaptor HDD carrier MCP-220-00080-0B - Adaptor HDD carrier to install 2.5" HDD in 3.5" HDD tray
Information in this document is subject to change without notice.
Other products and companies referred to herein are trademarks or registered trademarks of their respective companies or mark holders.