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Black 120mm square cooling fan with aluminium frame 38mm deep

OEM Industries

OEM Industries AD1224HS-F51 120mm Sleeve Bearing 24V 0.32A 2800RPM 105.4 CFM 46.7dB CPU cooler

SKU CH-R7PD-HRKM2

120 mm sleeve-bearing fan moves 105.4 CFM at 2800 RPM with 46.7 dB noise on 24 V power

  • Fan size120 mm
  • Bearing designSleeve Bearing
  • Power input connectorSee pic
  • Product colorBlack
  • Product typeFan only
  • 120 mm fan moves 105.4 CFM for strong airflow
  • 2800 RPM speed delivers 105.4 CFM cooling performance
  • 24 V 0.32 A power draw keeps energy use low
  • 7 dB noise level suits quiet environments
  • Sleeve bearing design provides reliable operation
  • 120 × 120 × 38 mm aluminium frame fits standard mounts

Purpose and fit

The OEM Industries AD1224HS-F51 is a 120 mm sleeve-bearing fan designed for 24 V systems such as industrial inverters or specialised server chassis. It suits engineers and integrators who need a high-airflow replacement in the 12038 form factor. Buyers requiring a PWM-controlled 12 V desktop cooler or a fan with integrated lighting should look elsewhere.

Thermals, noise and power

At 2800 RPM the fan moves 105.4 CFM while drawing 0.32 A from a 24 V supply, producing a measured 46.7 dB. The aluminium frame and sleeve bearing keep the assembly light, though sleeve bearings typically exhibit higher long-term acoustic variance than ball-bearing alternatives. No thermal-load data is provided for CPU-heatsink mounting scenarios.

Accessories and software impact

The unit ships as a bare fan with the connector shown in the product image; no mounting screws, voltage adapters or control software are included. Integrators must supply their own 24 V wiring harness and any vibration-isolation hardware required by the target enclosure.

How it compares

Measured against everything we stock in CPU Coolers & Heatsink Fans, at today’s prices. Recalculated every night.

Price $38.99
Pricier than about 84% of the 1,559 comparable items (median $19.99).
Fan size 120 mm
Higher than about 80% of the 812 comparable items (median 80 mm).

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Specifications

Product
Model nameAD1224HS-F51
Product colorBlack
Product typeFan only
Power
Power input connectorSee pic
Size & build
Fan size120 mm
Bearing designSleeve Bearing
More details
LED lightingNo

Questions about this item

How do I mount the AD1224HS-F51 120mm fan and what step is often missed?

Align the four 120mm mounting holes with your case or radiator, use the correct screw length for the 38mm frame thickness, and connect the 24V power lead — the step most people miss is verifying the supply delivers 0.32A at 24V before powering on.

What maintenance will the sleeve bearing need later?

Sleeve bearings cannot be relubricated; once the 2800RPM fan develops audible rumble or speed drop — typically after several thousand hours — the entire AD1224HS-F51 unit must be replaced.

What limit appears first during sustained 2800RPM operation?

The sleeve bearing’s thermal limit is reached first; continuous 24V 0.32A running at 46.7dB raises internal temperature until oil film breaks down, causing speed loss before the 105.4 CFM airflow target can be maintained.

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