Cooler Master Hyper 212 Halo Black CPU Cooler RR-S4KK-20PA-R1
- 120 mm
- Black
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120 mm sleeve-bearing axial fan runs on 220-240 V AC at 50-60 Hz drawing 0.1 A for case or enclosure cooling
The OEM Industries 2122HSL is a 120mm axial cooler that runs directly from 220-240V mains supply at 50-60Hz. It draws 0.1A through a two-wire lead, so no internal power-supply connection is required. The sleeve bearing keeps the motor simple and the unit suits enclosures that need a direct AC airflow source.
Because the fan is fed from the AC line, its rotational speed stays constant regardless of motherboard PWM curves or system load. The sleeve bearing provides predictable acoustic output during continuous duty cycles typical of server cabinets or industrial chassis. No thermal throttling or voltage droop from a DC rail can alter the airflow once the unit is energised.
The black frame houses a sleeve bearing assembly rated for long-running axial cooling in cases or boxes. A two-wire power connector means installation is limited to switched mains or a relay; there is no speed signal or PWM control wire. Builders who need motherboard fan headers, tachometer feedback or variable speed should look elsewhere.
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| Product | |
|---|---|
| Model name | 2122HSL |
| Product color | Black |
| Product type | Fan only |
| Power | |
| Power input connector | 2 Wires |
| Size & build | |
| Fan size | 120 mm |
| Bearing design | Sleeve Bearing |
| More details | |
| LED lighting | No |
The fan is rated at 0.1 A on 220–240 V AC, so it draws very little power even when running all day.
You need a 220–240 V AC supply at 50–60 Hz with a suitable two-wire connection point; no DC header or adapter is included.
Yes, the 120 mm square frame matches the standard 12025 footprint, so it aligns with the same four mounting holes.
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