Lian Li UF-SLIN120-3W 120mm case fan 3-pack white
- 3 Fans
- Controller
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Acer America
CPU air cooler with integrated fan and heatsink running at 4200 rpm for processor thermal management
The Acer HI.3670C.001 is a CPU air cooler built around a single fan spinning at 4200 rpm. It targets system builders and upgraders who need a direct replacement cooler for compatible Acer platforms or similar socket layouts. The unit combines a heatsink with an integrated fan in a single assembly. Condition is new and it was first listed by the manufacturer on 28 April 2026.
A single fan at 4200 rpm moves a finite volume of air, so thermal capacity is bounded by the heatsink surface area and the airflow the fan can sustain. Acoustic output rises with speed, and the cooler cannot exceed the heat-dissipation ceiling inherent to its physical design. There is no provision for additional fans or liquid assistance, so peak loads may throttle if the processor's thermal design power exceeds what this assembly can shed.
This cooler replaces a failed or noisy stock unit that uses the same mounting pattern and power connector. The jump is worth it when the original cooler no longer spins reliably or when its lower rpm can no longer keep temperatures in check. It does not address builders who need more storage, dual-fan configurations, or liquid-cooling performance.
| Brand | Acer |
|---|---|
| Model | HI.3670C.001 |
| Type | Fan & Heatsinks |
| RPM | 1 x 4200 rpm |
This cooler runs at a fixed 4200 rpm; no alternative speed versions are offered for the HI.3670C.001.
The fan spins at 4200 rpm to push air through the heatsink, giving strong airflow for stock or moderately overclocked CPUs.
The cooler uses a standard Intel/AMD clip bracket, limiting installation to sockets that share that hole pattern.
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