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Small black 40mm square cooling fan with three wires and maglev bearing

Zyvpee

Zyvpee Sunon KD1204PKV2 40mm 12V 0.8W 3-pin case fan

SKU CH-B895-WV94T

40 mm Maglev case fan runs at up to 1600 RPM on 12 V, drawing .8 W through a 3-pin connector

  • TypeCase Fan
  • Bearing TypeMaglev
  • RPM<1600 RPM
  • Power Connector3 Pin
  • ColorBlack
  • LEDNon-LED
  • Compact 40 mm frame fits tight chassis spaces
  • Maglev bearing reduces friction for quieter operation
  • 12 V 0.8 W draw keeps power use low
  • 3-pin connector enables simple motherboard control
  • Sub-1600 RPM speed balances airflow and noise

Compact 40 mm Maglev Fan

The Zyvpee Sunon KD1204PKV2 is a 40 mm square case fan built around a magnetic-levitation bearing. It targets builders who need a thin 20 mm profile for tight spaces such as small-form-factor PCs, router enclosures or switch chassis. The 3-pin DC connector provides straightforward voltage control without PWM complexity. Non-LED black housing keeps the appearance neutral inside any chassis.

Thermals, Noise and Power

Rated at 12 V and .8 W, the fan spins below 1600 RPM to move air through restricted venting. Maglev construction reduces mechanical contact, lowering audible noise compared with traditional sleeve or ball bearings at similar speeds. Low current draw allows operation from standard motherboard headers or 12 V rail taps without overloading the supply. DC voltage regulation lets the system scale speed to thermal load.

What the Bundle Changes

The package includes only the fan unit with its pre-attached 3-pin lead; no mounting screws, adapters or speed controllers are supplied. Installers must source appropriate 40 mm fasteners or vibration mounts for their specific chassis. Absence of bundled accessories keeps cost down but requires planning for secure attachment in thin-wall enclosures. No software or firmware is involved.

Points forts

  • Compact 40 mm frame fits tight chassis spaces
  • Maglev bearing reduces friction for quieter operation
  • 12 V 0.8 W draw keeps power use low
  • 3-pin connector enables simple motherboard control
  • Sub-1600 RPM speed balances airflow and noise

Caractéristiques

BrandZyvpee
SeriesKD1204
ModelKD1204PKV2
TypeCase Fan
Bearing TypeMaglev
RPM<1600 RPM
Power Connector3 Pin
ColorBlack
LEDNon-LED
FeaturesDC Fan
Dimensions40*20mm

Questions sur cet article

How do I connect the 3-pin connector to my motherboard or controller?

Plug the 3-pin plug into a 12 V fan header, aligning the keyed tab; the third wire reports speed but does not enable PWM control.

What part of the fan wears out first and will eventually need replacement?

The Maglev bearing is the only moving component; over time it can develop noise or play, at which point the whole fan is replaced.

At what speed does the fan hit its maximum airflow limit under continuous load?

The fan tops out below 1600 RPM, so sustained airflow is capped at that rotational speed.

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