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Small black laptop CPU cooling fan with four-pin connector

Lemincrash

Lemincrash DFS5K12214161N 4Pin DC5V laptop cooling pad

SKU CH-5PN9-VHYVS MPN DFS5K12214161N

Replacement CPU cooling fan for ASUS Zenbook 13 and 14 models, 4-pin DC5V connector

  • Accessory categoryCooler
  • Main functionNotebook
  • Key featuresNew
  • In the boxCPU Cooling fan*1
  • Cools ASUS Zenbook 13 UX325 UM325S models effectively
  • Fits ASUS Zenbook 14 UX425 UM425 series precisely
  • 4-pin DC5V connector ensures reliable power delivery
  • 5A current draw keeps energy use low
  • Direct replacement CPU cooling fan restores thermal performance

Replacement fan for Zenbook 13 and 14

This Lemincrash DFS5K12214161N cooling fan is a direct replacement for the CPU cooler inside ASUS Zenbook 13 UX325 and UM325S models as well as Zenbook 14 UX425, UM425, UX425J and UM425IA units. It restores factory airflow when the original fan becomes noisy or stops spinning. The part arrives new and ready to install.

4Pin DC5V connector and slim fit

The fan uses a 4Pin interface that carries both power and speed control signals from the motherboard. Rated at DC5V and .5A, it matches the electrical spec of the stock cooler so thermal management behaves exactly as designed. The slim profile fits the tight chassis of the 13 and 14 inch Zenbooks without modification.

Upgrades a worn or failed stock cooler

This part replaces the original CPU cooling fan when bearings wear out, blades crack or the motor fails completely. The jump is worth it when temperatures climb under light load or the laptop throttles during sustained work. It is not for buyers who need a full heatsink assembly or a different form factor.

How it compares

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

Price $17.99
Cheaper than about 58% of the 6,190 comparable items (median $20.99).

Specifications

Product
Brand nameLemincrash
Model nameDFS5K12214161N
Accessory categoryCooler
In the box
In the boxCPU Cooling fan*1
More details
Main functionNotebook

Questions about this item

What does the 4Pin DC5V interface limit in practice?

The 4Pin connector carries both power and PWM control at 5 volts, so fan speed is governed by the laptop's embedded controller rather than an external voltage regulator.

What clearance does the DFS5K12214161N need inside the ASUS Zenbook 13 UX325 or 14 UX425 chassis?

It fits the original mounting points and screw holes of the UX325, UM325S, UX425, UM425, UX425J and UM425IA models without requiring bracket modifications.

Which installation step is most often missed when replacing this cooling fan?

Reconnecting the 4Pin cable to the motherboard header before reassembling the bottom case; the connector seats in only one orientation and must click fully home.

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