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Small black square 40mm fan with three-pin connector

OEM Industries

OEM Industries C34957-58 40mm 12V 0.29A 3-Pin Fan

SKU CH-6A00-RGBF6

A 40 mm square case fan running on 12 V at 0.29 A with a 3-pin connector

  • ColorBlack
  • TypeFan only
  • Fan Size40mm
  • Power Connector3 Pin
  • LEDNo
  • Compact 40 mm frame fits tight chassis spaces
  • Nidec motor delivers reliable 12 V 0.29 A operation
  • Three-pin connector enables straightforward motherboard control
  • 40 × 28 mm footprint suits small-form-factor builds
  • Black finish blends discreetly into any system

Compact 40mm 12V case fan

This 40 by 28 millimetre NIDEC fan runs on 12 volts at 0.29 amps and connects through a three-pin header. It is intended for builders who need a small square cooler for tight chassis spaces or targeted component airflow. The unit ships new without LED lighting.

Check header voltage and mounting holes

Verify that your motherboard or fan controller supplies a 12 volt three-pin header and that the chassis offers 40 millimetre square mounting points with 28 millimetre depth clearance. The three-wire connector provides tachometer feedback but not PWM control.

Fits small-form-factor builds and legacy coolers

The slim profile suits compact cases, rackmount units or replacement of older 4028 coolers where larger fans cannot mount. It frees up space around dense motherboards while delivering direct airflow to hotspots such as voltage regulators or chipset heatsinks.

I korthet

  • Compact 40 mm frame fits tight chassis spaces
  • Nidec motor delivers reliable 12 V 0.29 A operation
  • Three-pin connector enables straightforward motherboard control
  • 40 × 28 mm footprint suits small-form-factor builds
  • Black finish blends discreetly into any system

Specifikationer

ModelC34957-58
ColorBlack
TypeFan only
Fan Size40mm
Power Connector3 Pin
LEDNo

Frågor om den här produkten

Does the C34957-58 include mounting screws or a power adapter, or must they be purchased separately?

The listing specifies fan only, so mounting hardware and any adapter cables are not included and must be sourced separately.

The title shows both 4028 and 40*28mm — which dimension should I match to my case mount?

4028 means a 40 mm square frame with a 28 mm thickness; verify your mounting holes accept that depth before ordering.

With a 12 V 0.29 A rating on a 3-pin connector, will the motherboard header supply enough current for reliable start-up?

A standard 3-pin fan header typically delivers up to 1 A at 12 V, so the 0.29 A draw of this NIDEC unit is well within normal header limits.

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