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
Black square axial cooling fan with four mounting holes and four-wire PWM connector

Fans

Fans PF40281BX-D086-S99 40x40x28mm 12V PWM case fan

SKU CH-R9B7-67F5A

A 40 mm square axial fan with 28 mm depth runs on 12 V PWM control for precise speed regulation

  • 12V PWM control for precise speed adjustment
  • 8W power draw with 1.15A current rating
  • 40x40x28mm axial design fits tight spaces
  • 4-pin connector enables motherboard fan management

Compact 40 mm PWM case fan

The PF40281BX-D086-S99 is a 40 mm square axial fan with a 28 mm thickness designed for tight chassis spaces. It operates on a 12 V PWM four-pin connector for automatic speed control. The unit draws 1.15 A at full speed for a rated power of 13.8 W. It suits builders who need targeted airflow in small-form-factor or dense server enclosures.

Thermals and acoustics in normal use

At maximum PWM duty the fan moves air through a 4028 frame at its rated 13.8 W power envelope. The 1.15 A current draw keeps load on the motherboard header modest. Noise rises with RPM but remains proportional to the airflow delivered in confined layouts. Buyers who need near-silent operation at low loads should verify the PWM curve matches their controller.

How it compares

Measured against everything we stock in PC Cooling Fans, at today’s prices. Recalculated every night.

Price $11.99
Cheaper than about 85% of the 8,339 comparable items (median $19.99).

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

Specifications

No published specifications for this item yet.

Questions about this item

How do I install the PF40281BX-D086-S99 40mm PWM fan and what step is often missed?

Mount the 40x40x28mm frame with four screws, connect the 4-pin PWM header to the motherboard, and ensure the 12V 1.15A power limit is not exceeded by the fan controller.

What maintenance will the PF40281BX-D086-S99 axial cooling fan need later?

Periodically clean dust from the 4028 blade assembly with compressed air; the sealed bearing requires no lubrication, and the 13.8W PWM motor is rated for continuous 12V operation.

More in PC Cooling Fans

Similar items