We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in

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

  • Fan size40 mm
  • Bearing designMaglev
  • Power input connector2 Wires
  • Product colorBlack
  • Product typeFan only
  • 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.

How it compares

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

Price $17.99
Cheaper 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).

New to this? Which coin should you pay with — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Model nameKD1204PKS2
Product colorBlack
Product typeFan only
Power
Power input connector2 Wires
Size & build
Fan size40 mm
Bearing designMaglev
More details
LED lightingNo

Questions about this item

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.

More in CPU Coolers & Heatsink Fans

Similar items