120x120x38 48V Fan — continuous cooling for industrial power supplies and servers
Dealing with a overheating server rack or a switched-mode power supply running right at its limit? A weak or noisy fan can drastically shorten the lifespan of your expensive hardware. This 120×120 48V fan is engineered specifically for mission-critical environments where downtime simply isn’t an option.
Note: This fan does not include a connector — please check compatibility with your target system or motherboard before placing your order.
Why choose this model? (Key benefits):
- Native 48V voltage — operates directly inside industrial systems and server racks without needing an extra converter, removing a potential point of failure
- High-precision dual ball bearing — maintenance-free and built to deliver up to 10,000 hours of continuous operational lifespan
- 120.07 CFM airflow at 2600 RPM — powerful airflow for effective heat dissipation in switched-mode power supplies and water-cooled setups
- ROO alarm signal — alerts you in real-time if the fan stalls or drops below the speed threshold, before any damage occurs
- 30 cm cable with 3-pin connector — practical length for rack installation without needing extra extensions, compatible with standard motherboard headers
- 38mm thickness — standard 12038 form factor that fits neatly into standard rack spaces with zero mechanical modifications
Details and Performance
At the heart of this fan is a dual ball bearing system — unlike standard sleeve bearings, it won’t degrade in hot environments or require periodic lubrication. The 8.64W motor maintains a steady 2600 RPM speed even when ambient temperatures rise. The 3-pin connector transmits both power and speed monitoring signals straight to your system.
| Parameter | Value / Detail |
|---|---|
| Dimensions | 120 x 120 x 38 mm |
| Operating voltage | 48V DC |
| Current | 0.18A |
| Motor power | 8.64W |
| Speed | 2600 RPM |
| Airflow | 120.07 CFM |
| Bearing type | High-precision dual ball bearing |
| Lifespan | 10,000 hours |
| Interface | 3-pin motherboard connector |
| Extra feature | ROO alarm signal (stall detection) |
| Cable length | 30 cm |
| Connector included | No |
Package Contents
- 1 x 120x120x38mm 48V Fan
- 30 cm cable with 3-pin connector
Frequently Asked Questions
Is it compatible with standard server racks?
Yes. The 12038 format (120x120x38mm) is one of the most common sizes for 1U and 2U server racks. However, we recommend checking the available depth inside your chassis before mounting.
Why isn’t a fixed connector included?
Industrial systems and racks use a wide variety of connector types. Leaving it open lets you customise the fan to match your specific setup precisely without having to cut or modify any wires.
What is the ROO alarm signal and how do I use it?
ROO (Rotation Output / Rotor Lock) is an electrical signal sent through the third pin whenever the fan stops spinning or its speed drops critically. Your motherboard or monitoring system can pick up this signal to trigger an automatic alert.
Can it run continuously 24/7?
Yes. The dual ball bearing design and rated 10,000-hour lifespan are engineered specifically for continuous, round-the-clock operation required by servers and industrial equipment.
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