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| ![](https://www.supermicro.com/a_images/pixel.gif) | Key Features 1. Redundant Cooling 420W Power Supply 2. 3x , 4x IDE Drive Carriers 3. 3x 5.25" Peripheral Drive Bays 4. 1x 5.25" Drive Bay For 3.5" 1.44MB Floppy Drive 5. 7x Full-height, Full-length expansion slot 6. 2x 90mm Hot-swappable Fan 7. 1x 120mm Rear-exhaust Fan 8. 2x Front USB Ports (optional) 9. Locking Bezel 10. Power Switch & 6 LED Indicators ![](https://www.supermicro.com/a_images/pixel.gif)
| ![](https://www.supermicro.com/a_images/pixel.gif) | Links & Resources | | | | | ![](https://www.supermicro.com/a_images/tabs/tab_spec_chassis.gif) | |
| ![](https://www.supermicro.com/a_images/pixel.gif) | | ![](https://www.supermicro.com/a_images/pixel.gif) | ![](https://www.supermicro.com/a_images/boxes/line_yellow.gif) | CSE-742i-420 | - SuperChassis 742i-420 (Beige) *
| CSE-742i-420B | - SuperChassis 742i-420B (Black) *
| | ![](https://www.supermicro.com/a_images/pixel.gif) | ![](https://www.supermicro.com/a_images/boxes/line_yellow.gif) | 4U chassis support for max. motherboard size - 12" x 13" E-ATX | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | ![](https://www.supermicro.com/a_images/pixel.gif) | ![](https://www.supermicro.com/a_images/boxes/line_yellow.gif) | Height | ![](https://www.supermicro.com/a_images/pixel.gif) | 17.8" (452mm) | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | Width | ![](https://www.supermicro.com/a_images/pixel.gif) | 7.0" (178mm) | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | Depth | ![](https://www.supermicro.com/a_images/pixel.gif) | 23.8" (605mm) | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | Gross Weight | ![](https://www.supermicro.com/a_images/pixel.gif) | 47 lbs (21.4kg) | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | Available Colors | ![](https://www.supermicro.com/a_images/pixel.gif) | Beige, Black | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | ![](https://www.supermicro.com/a_images/pixel.gif) | ![](https://www.supermicro.com/a_images/boxes/line_yellow.gif) | Drive Carrier(s) | ![](https://www.supermicro.com/a_images/pixel.gif) | 3x, 4x IDE Drive Carrier SAS or enterprise SATA HDD only recommended | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | Peripheral Bay(s) | ![](https://www.supermicro.com/a_images/pixel.gif) | 3x 5.25" Peripheral Drive Bay 1x 5.25" Bay For Floppy Drive | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | ![](https://www.supermicro.com/a_images/pixel.gif) | ![](https://www.supermicro.com/a_images/boxes/line_yellow.gif) | Buttons | ![](https://www.supermicro.com/a_images/pixel.gif) | Power On/Off button System Reset button NMI Switch | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | LEDs | ![](https://www.supermicro.com/a_images/pixel.gif) | Power LED Hard drive activity LED 2x Network activity LEDs System Overheat LED Power Fail LED | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | Ports | ![](https://www.supermicro.com/a_images/pixel.gif) | 2x USB Ports (optional) | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | | ![](https://www.supermicro.com/a_images/pixel.gif) | ![](https://www.supermicro.com/a_images/pixel.gif) | ![](https://www.supermicro.com/a_images/boxes/line_yellow.gif) | Fans | ![](https://www.supermicro.com/a_images/pixel.gif) | 2x 90mm Hot-swappable Fans 1x 120mm Rear Exhaust Fan | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | | ![](https://www.supermicro.com/a_images/pixel.gif) | ![](https://www.supermicro.com/a_images/boxes/line_yellow.gif) | Operating Temperature Range | | 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)
| ![](https://www.supermicro.com/a_images/pixel.gif) | ![](https://www.supermicro.com/a_images/boxes/line_yellow.gif) | 420W Redundant Cooling AC power supply with PFC | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | AC Voltage | ![](https://www.supermicro.com/a_images/pixel.gif) | 100 - 240V, 50/60Hz, 10 Amp | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | DC Output | ![](https://www.supermicro.com/a_images/pixel.gif) | 5V + 3.3V ≤ 160W 12V + 5V + 3.3V ≤ 430W | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | +5V | ![](https://www.supermicro.com/a_images/pixel.gif) | 30.0 amp | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | +5V standby | ![](https://www.supermicro.com/a_images/pixel.gif) | 2.0 amp | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | +12V | ![](https://www.supermicro.com/a_images/pixel.gif) | 30.0amp | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | -12V | ![](https://www.supermicro.com/a_images/pixel.gif) | 1.0 amp | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | +3.3V | ![](https://www.supermicro.com/a_images/pixel.gif) | 30.0 amp | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | ![](https://www.supermicro.com/a_images/pixel.gif) | ![](https://www.supermicro.com/a_images/boxes/line_yellow.gif) | Power Supply Safety / EMC | ![](https://www.supermicro.com/a_images/pixel.gif) | USA - UL listed, FCC Canada - CUL listed Germany - TUV Certified Europe/CE Mark EN 60950/IEC 60950-Compliant | ![](https://www.supermicro.com/a_images/boxes/line_blue_h.gif) | | | |
![](https://www.supermicro.com/a_images/pixel.gif) | ![](https://www.supermicro.com/a_images/tabs/tab_comp.gif) | | ![](https://www.supermicro.com/a_images/pixel.gif) | | ![](https://www.supermicro.com/a_images/pixel.gif) | ![](https://www.supermicro.com/a_images/boxes/line_yellow.gif) | | Part Number | Qty | Description | Chassis | CSE-742i-420 CSE-742i-420B | 1 1 | 4U Chassis (Beige) 4U Chassis (Black) | Drive Carrier(s) | CSE-PT18 CSE-PT31 | 1 1 | 3 IDE Drive Carrier 4 IDE Drive Carrier | Fan(s) | FAN-0046L4 FAN-0056 | 2 1 | 92x25mm 4-pin PWM Fan assembly for SC742 120mm Rear Exhaust Fan | Power Supply | PWS-0038 | 1 | SP420-RP 420W Redundant Cooling Power Supply | Rear I/O | - | 1 | Dual LAN I/O Shield for 4U | Tray(s) | CSE-PT36(B) | 3 | 5.25" Dummy Tray with Rail | | | ![](https://www.supermicro.com/a_images/pixel.gif) | ![](https://www.supermicro.com/a_images/pixel.gif) | ![](https://www.supermicro.com/a_images/boxes/line_yellow.gif) | | Part Number | Qty | Description | Front USB Kit | CSE-PT29(B) | - | 2 Ports Front USB Kit | Heatsink / Retention | - | - | Please refer to our Thermal Components Matrix | Mounting Rails | CSE-PT26 | - | 4U Chassis Rail Kit (Includes Side Handles) | Peripheral Drives | FPD-SONY-F(B) MCP-290-00039-0B | - - | Sony 3.5" Floppy Drive (Beige, B = Black) FDD Dummy Cover (0B = black) | Peripheral Drives | DVM-SONY-DVDRW-HB DVM-LITEONFH-DVDRWB DVM-LITE-DVDRW-HBT DVM-LITE-DVD-HBT
| - - - - | Black Sony Half-height DVD-RW IDE Drive, RoHS Black Liteon Half-height DVD-RW Drive, RoHS Black Liteon Half-height DVD-RW SATA Drive, RoHS Black Liteon Half-height DVD-RW SATA Drive, RoHS | Rear I/O | - | - | Other I/O Shield for 4U / Tower Chassis | | * = End-of-Life, please contact sales-rep for possible OEM production quantities. | |
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