Cooler Master Hyper 212 Halo Black CPU Cooler RR-S4KK-20PA-R1
- 120 mm
- Black
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A 120mm ball-bearing fan running on 115V AC at 50/60Hz with a two-wire connector
This 120 mm fan runs directly on 115 V AC mains power at 50 or 60 Hz and draws 0.15 A. It is intended for builders who need a simple exhaust or intake fan without a DC power supply or motherboard header. The two-wire lead connects to a standard AC circuit, so it suits enclosure ventilation, industrial boxes or legacy chassis that provide mains voltage.
The ball bearing reduces friction compared with sleeve designs, giving a longer service life in continuous operation. Because the fan has no PWM or tachometer wire, speed cannot be monitored or controlled by software; it runs at full speed whenever power is applied. The absence of LEDs keeps the unit dark, which is useful in light-sensitive environments.
The square 12025 frame fits standard 120 mm fan mounts using four corner screws. The 2-wire cable exits the frame for direct wiring to an AC source, so installers must provide their own strain relief and insulation. No brackets, filters or screws are included, and the fan cannot be plugged into a typical 12 V DC header on a PC motherboard.
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| Product | |
|---|---|
| Model name | SP101AT 1122 HBT |
| Product color | Black |
| Product type | Fan only |
| Power | |
| Power input connector | 2 Wires |
| Size & build | |
| Fan size | 120 mm |
| Bearing design | Ball |
| More details | |
| LED lighting | No |
The ball bearing is sealed and not user-serviceable; the fan is replaced as a unit when airflow or noise degrades.
The motor draws 0.15A at 50/60Hz; sustained use is limited by the bearing life and AC supply stability.
Rated at 0.15A on 115V 50/60Hz, it runs within the Silence Cooler design envelope for low noise and minimal heat.
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