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Two black 40mm square fans with 3-pin connectors

OEM Industries

OEM Industries 4010M24S NDD 40mm 24V .09A 3-Pin CPU Cooler

SKU CH-S1MY-YJ1DZ

A 40mm sleeve-bearing fan runs on 24V at .09A with a 3-pin connector for targeted component cooling

  • Fan size40 mm
  • Bearing designSleeve Bearing
  • Power input connector3 Pin
  • Product colorBlack
  • Product typeFan only
  • 40 mm square frame fits tight chassis spaces
  • 24 V 0.09 A rating keeps power draw low
  • Sleeve bearing runs quietly at low speeds
  • Three-pin connector enables motherboard speed monitoring
  • Supplied as a matched pair for dual-fan setups

What this fan is and who it serves

The OEM Industries 4010M24S NDD is a 40mm square cooling fan that runs on 24V at 0.09A and connects through a 3‑pin header. It is built for tight spaces where a small axial fan can move air across a heatsink or chassis vent. Buyers maintaining compact industrial PCs, embedded boards or legacy server trays will find the 40mm footprint and sleeve bearing a direct fit for existing mountings.

Who should buy it and who should not

This unit suits technicians who need a straight 24V replacement for a 4010‑frame fan and can accept sleeve‑bearing acoustics. It does not suit builders who want PWM speed control, ball‑bearing longevity or an integrated heatsink assembly; those needs require a different mechanical and electrical design.

The specification that decides fit

The 3‑pin power connector and 24V 0.09A rating are the decisive figures: the motherboard or controller must supply 24V on a 3‑pin header, otherwise the fan will not spin or may be damaged.

How it compares

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

Price $21.99
Pricier than about 60% of the 1,559 comparable items (median $19.99).
Fan size 40 mm
Lower than about 90% of the 812 comparable items (median 80 mm).

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Specifications

Product
Model name4010M24S NDD
Product colorBlack
Product typeFan only
Power
Power input connector3 Pin
Size & build
Fan size40 mm
Bearing designSleeve Bearing
More details
LED lightingNo

Questions about this item

Does the 3-pin connector carry PWM speed control or only voltage regulation?

A 3-pin connector provides voltage-based speed control; it does not carry a separate PWM signal.

What are the physical dimensions for mounting this 40 mm square fan?

The frame is 40 by 40 by 10 mm with mounting holes at the four corners.

How is the fan wired and which lead is often connected incorrectly?

Three wires carry 24 V power, ground and a tachometer signal; reversing the power leads will prevent the fan from spinning.

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