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Black 40mm square cooling fan with two wires

OEM Industries

OEM Industries KD0504PFS3-8 40mm Mgalev CPU cooler

SKU CH-92H9-MRX2N

A 40 mm Mgalev bearing fan running at 5 V and .4 W for compact CPU cooling

  • ColorBlack
  • TypeFan only
  • Fan Size40mm
  • Bearing TypeMgalev
  • LEDNo
  • 40 mm square frame fits tight spaces
  • Mgalev bearing reduces friction for longer life
  • 5 V 0.4 W draw keeps power use low
  • Two-wire design simplifies connection
  • 4010 form factor matches standard 40 mm mounts

40 mm Mgalev fan for compact cooling

The OEM Industries KD0504PFS3-8 is a 40 mm square cooling fan that uses a Mgalev bearing for low-friction operation. It runs on a 5 V supply and draws 0.4 W through a two-wire connection. The unit is intended for builders who need a small-form-factor airflow solution in tight chassis or on low-profile heatsinks.

Two-wire 5 V interface limits control options

Power is delivered through a simple two-wire lead, so the fan receives a fixed 5 V rail without PWM or tachometer feedback. Speed cannot be modulated by the motherboard and rotational data is not reported to monitoring software. Systems that rely on closed-loop fan curves or zero-RPM modes will not be able to manage this device.

0.4 W draw suits low-heat loads only

At 0.4 W the motor provides modest airflow suited to chipset heatsinks, small-form-factor CPUs or auxiliary component cooling. It lacks the static pressure and volume to handle high-TDP processors or densely finned radiators. Builds targeting sustained heavy loads will need a larger or higher-power cooling assembly.

Points forts

  • 40 mm square frame fits tight spaces
  • Mgalev bearing reduces friction for longer life
  • 5 V 0.4 W draw keeps power use low
  • Two-wire design simplifies connection
  • 4010 form factor matches standard 40 mm mounts

Caractéristiques

ModelKD0504PFS3-8
ColorBlack
TypeFan only
Fan Size40mm
Bearing TypeMgalev
LEDNo

Questions sur cet article

Which KD0504PFS3-8 variant should I pick for a 40mm fan slot?

The KD0504PFS3-8 is a single 40mm square fan with Mgalev bearing and 5V 0.4W rating, so choose this model when your chassis or heatsink calls for a 4010 form factor.

What does the 5V 0.4W rating mean once the fan is installed?

It draws 0.4W from a 5V header, delivering low-power airflow suitable for compact coolers or tight 40mm mounts without overloading the fan connector.

How does the 2-wire interface affect speed control?

The 2-wire design provides power only, so the fan runs at a fixed speed; motherboard PWM or voltage control is not supported on this KD0504PFS3-8 unit.

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