SC742i-420 - Computer Case Supermicro - Free user manual and instructions
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| Type of Product | Server Tower Chassis |
| Form Factor | 4U Tower |
| Motherboard Compatibility | ATX (up to 12" x 9.6") |
| Drive Bays | 4 x 3.5" hot-swap SATA |
| Expansion Slots | 7 x Full-Height |
| Power Supply | 420W ATX |
| Cooling System | 2 x 80mm rear fans (included) |
| Front I/O Ports | 2 x USB 2.0, Power and Reset buttons, HDD LED |
| Dimensions (H x W x D) | 7.0" x 16.9" x 20.9" (177.8 x 429.3 x 530.9 mm) |
| Weight | 31.5 lbs (14.3 kg) |
| Chassis Material | Heavy-duty steel |
| Color | Black |
| Security Features | Kensington lock support, optional front bezel lock |
| Maintenance | Tool-less side panel, hot-swap drive bays |
| Cleaning | Dry cloth or compressed air; power off before cleaning |
| Repairability | Replaceable fans, power supply and drive trays |
| Spare Parts Availability | Fans, PSU, drive trays, front bezel available |
| Operating Temperature | 0°C to 55°C |
| Storage Temperature | -20°C to 60°C |
| Compliance | CE, FCC, RoHS |
| Warranty | 1-year limited |
Frequently Asked Questions - SC742i-420 Supermicro
What motherboard form factors is the SC742i-420 compatible with?
The SC742i-420 supports ATX motherboards up to 12" x 9.6". It may not fit larger E-ATX boards.
How many hard drives can I install?
There are 4 hot-swap 3.5-inch SATA bays, allowing easy replacement without powering down.
Does the SC742i-420 come with a power supply?
Yes, it includes a 420W power supply for reliable operation.
Can this chassis be mounted in a server rack?
Yes, the 4U form factor can be converted to rack mounting using an optional rail kit.
What are the dimensions of the SC742i-420?
The case measures approximately 7.0 x 16.9 x 20.9 inches (177.8 x 429.3 x 530.9 mm).
How do I replace a failed hard drive?
Simply remove the hot-swap tray from the front, insert a new drive, and slide it back in. No tools needed.
Is there cooling pre-installed?
Yes, it comes with two 80mm rear fans for airflow; an optional front fan can be added.
How should I clean the chassis?
Power off, unplug, and use a dry or slightly damp cloth. Use compressed air for dust buildup.
What safety precautions should I follow?
Always ground yourself to avoid static damage, and keep the case away from moisture.
Where can I find spare parts?
Supermicro offers spare fans, power supply, drive trays, and bezels through official distributors.
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USER MANUAL SC742i-420 Supermicro
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Product information
Brand : Supermicro
Model : SC742i-420
Category : Computer Case