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Small black 50mm square fan with ball bearing and 4-pin connector

OEM Industries

OEM Industries CHD5012ES 5020 12V .33A 50mm fan CPU cooler

SKU CH-B4T8-0FMKD

A 50 mm square fan with ball bearing and 12 V .33 A power for CPU or case cooling

  • ColorBlack
  • TypeFan only
  • Fan Size50mm
  • Bearing TypeBall
  • Power Connector4 Pin
  • Compact 50 mm frame fits tight builds
  • Ball bearing extends operating life
  • 12 V .33 A draws minimal power
  • 4-pin connector enables speed control
  • Black finish suits stealth aesthetics

Compact 50 mm CPU fan for tight builds

This 50 mm square cooler fits small-form-factor systems where a full tower cooler cannot. It targets builders upgrading proprietary boards or thin clients that only accept a low-profile fan. The 12 V 0.33 A rating keeps power draw modest for limited power phases. Buyers needing higher airflow for overclocked desktop CPUs should look elsewhere.

Ball-bearing thermals at 12 V

The ball bearing runs on a two-wire 12 V supply drawing 0.33 A. With no PWM wire the speed stays constant, so acoustic output is steady rather than variable. Heat dissipation suits stock-speed processors in confined chassis. Systems requiring temperature-based fan curves cannot use this unit.

Four-pin mount with two active wires

The housing uses a standard 4-pin footprint while only two conductors carry power. This lets the cooler drop into existing headers without adapter cables. Black frame and 20 mm thickness match common 5020 mounting holes. Cases with non-standard hole spacing or three-wire headers will not align.

Highlights

  • Compact 50 mm frame fits tight builds
  • Ball bearing extends operating life
  • 12 V .33 A draws minimal power
  • 4-pin connector enables speed control
  • Black finish suits stealth aesthetics

Specifications

ModelCHD5012ES
ColorBlack
TypeFan only
Fan Size50mm
Bearing TypeBall
Power Connector4 Pin

Questions about this item

How do I install the CHD5012ES cooler and which step is commonly missed?

Mount the 50 mm square frame using the four corner holes, connect the 4-pin power connector to the motherboard header, and verify the fan spins — the step often missed is seating the 4-pin plug fully so the tachometer signal works.

What maintenance will the CHD5012ES need over time?

The ball-bearing fan runs on 12 V at 0.33 A; plan to clean dust from the blades every few months and replace the fan if bearing noise appears, as the unit is sold as a fan-only cooler without a heatsink.

What is the first limit reached during sustained operation of the CHD5012ES?

With a 50 mm frame, 20 mm thickness and a 2-wire 12 V 0.33 A ball-bearing fan, the thermal limit of the small airflow envelope appears first under continuous load.

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