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Small black square 40mm maglev fan with two wires

OEM Industries

OEM Industries KD1204PKS2 40mm Maglev CPU Cooler 12V 0.9W 2-Wire

SKU CH-BH3G-MQXCW

A 40 mm Maglev fan runs at 12 V and 0.9 W with a two-wire power connector

  • ColorBlack
  • TypeFan only
  • Fan Size40mm
  • Bearing TypeMaglev
  • Power Connector2 Wires
  • LEDNo
  • Maglev bearing reduces friction for quieter 40 mm cooling
  • 12 V .9 W draw keeps power use low
  • Two wire power connector simplifies motherboard hookup
  • 4020 frame fits tight small form factor builds
  • SUNON KD1204PKS2 model built new for reliable operation

Compact 40 mm Maglev cooler

The OEM Industries KD1204PKS2 is a square 40 mm fan designed for tight CPU cooler mounts in small-form-factor or embedded systems. Maglev bearing operation keeps noise and wear low while the 12 V, 0.9 W draw suits limited power budgets. Builders working with proprietary server trays or thin clients will find the footprint familiar. It is not aimed at full-size desktop towers that expect larger heatsink assemblies.

Two-wire power simplicity

A two-wire lead delivers power without PWM or tachometer signals, so speed control relies on voltage regulation from the motherboard or an external controller. The bare-lead connector fits cramped headers where three- or four-pin plugs would foul adjacent components. Black frame and blades blend into dark chassis interiors. Systems that require fan-fault reporting or closed-loop speed curves cannot use those features with this unit.

Fixed-speed 12 V operation

Running at a constant 12 V means airflow and acoustic output stay steady rather than ramping with load. The 0.9 W rating indicates modest static pressure suited to low-impedance heatsinks or case ventilation rather than dense fin stacks. No LED lighting or additional wiring is present. Environments needing variable airflow or higher static pressure will need a different cooling approach.

Points forts

  • Maglev bearing reduces friction for quieter 40 mm cooling
  • 12 V .9 W draw keeps power use low
  • Two wire power connector simplifies motherboard hookup
  • 4020 frame fits tight small form factor builds
  • SUNON KD1204PKS2 model built new for reliable operation

Caractéristiques

ModelKD1204PKS2
ColorBlack
TypeFan only
Fan Size40mm
Bearing TypeMaglev
Power Connector2 Wires
LEDNo

Questions sur cet article

What voltage and power draw does the 2-wire connector expect?

The fan runs on 12 V and draws 0.9 W through its two-wire lead.

Will this 40 mm square cooler fit my mounting holes?

It follows the 4020 form factor — 40 mm square — so it matches standard 40 mm mounting patterns.

How do I connect the two-wire lead without a PWM header?

Plug the two wires directly into a 12 V DC header or adapter; there is no PWM signal wire to manage.

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