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Small black 40mm square cooling fan with three wire connector

OEM Industries

OEM Industries D04X-24JH 40mm 24V 0.06A Ball 3-Pin CPU Cooler

SKU CH-3XTP-QDAWK

A 40 mm ball-bearing fan runs at 24 V and 0.06 A with a 3-pin connector

  • ColorBlack
  • TypeFan only
  • Fan Size40mm
  • Bearing TypeBall
  • Power Connector3 Pin
  • LEDNo
  • Compact 40mm frame fits tight build spaces
  • 24V 0.06A rating keeps power draw low
  • Ball bearing design extends operational lifespan
  • Three-pin connector enables motherboard speed control
  • Nidec 4010 series delivers reliable targeted airflow

Compact 40 mm 24 V Fan for Niche Cooling Slots

The OEM Industries D04X-24JH is a 40 mm square fan built around a Nidec ball-bearing motor. It draws 0.06 A at 24 V and connects through a three-pin header. The unit is sold as a bare fan without heatsink or mounting hardware, intended as a direct replacement for the original 4010 form factor.

Suits maintainers who need an exact 24 V three-pin

Technicians servicing legacy industrial boards, embedded appliances or specialised server trays that specify this model will find a drop-in match. Builders whose systems supply only lower voltages, require PWM control or expect an integrated heatsink should look elsewhere.

The 24 V three-pin electrical interface decides fit

Only motherboards or controllers that deliver 24 V on a three-pin header can power this fan correctly. If the target header provides a different voltage or uses a four-pin PWM layout, the cooler will not operate as intended.

Highlights

  • Compact 40mm frame fits tight build spaces
  • 24V 0.06A rating keeps power draw low
  • Ball bearing design extends operational lifespan
  • Three-pin connector enables motherboard speed control
  • Nidec 4010 series delivers reliable targeted airflow

Specifications

ModelD04X-24JH
ColorBlack
TypeFan only
Fan Size40mm
Bearing TypeBall
Power Connector3 Pin
LEDNo

Questions about this item

How do I install the 40mm 3-pin fan and what step is often missed?

Mount the 40x40x10mm frame using four 4mm screws, connect the 3-pin plug to a 24V header, and verify the tachometer signal registers in BIOS — the third wire is the step most installers forget.

What maintenance will the ball-bearing 4010 fan need later?

The NBR ball bearing is sealed; no lubrication is required, but plan to replace the fan if airflow drops or noise rises after extended 24V 0.06A operation.

What limit appears first when the D04X-24JH runs continuously at 24V?

Sustained 24V 0.06A load makes bearing wear the first limiting factor; monitor RPM via the 3-pin tach signal and swap the unit once speed degrades.

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