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Small black rectangular laptop CPU cooling fan with wire connector

Fans

Fans laptop cooling pad DC28000BUDS KDB05105HB-BM55

SKU CH-22VX-645JC

Original CPU cooling fan for Asus Zenbook UX21 series laptops

  • Original CPU fan for Asus Zenbook UX21 series
  • Direct replacement matches DC28000BUDS part number
  • New condition ensures reliable cooling performance
  • Compatible with UX21E UX21A UX21EP models

Original CPU fan for Asus Zenbook UX21 series

This replacement cooler is built for the Asus Zenbook UX21, UX21E, UX21A and UX21EP ultraportables. It restores factory airflow when the original unit fails or becomes noisy. Technicians and owners of these specific models can install it directly without modification. The part matches the OEM form factor for a precise fit.

Sustained thermal performance under continuous load

During extended sessions the fan maintains steady RPM to dissipate heat from the CPU without thermal throttling. Bearing design reduces friction so acoustic output stays consistent over hours of operation. The assembly balances static pressure and flow to keep internal temperatures stable. It is not suited for laptops outside the listed Zenbook series.

How it compares

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

Price $6.99
Cheaper than about 94% of the 6,190 comparable items (median $20.99).

Specifications

No published specifications for this item yet.

Questions about this item

How much power does the DC28000BUDS fan draw when running continuously?

The fan is designed for the Asus Zenbook UX21 series and operates from the laptop's internal fan header without an external power supply.

Which connector does the KDB05105HB-BM55 cooler use to attach to the motherboard?

It plugs directly into the CPU fan header on Asus Zenbook UX21, UX21E, UX21A and UX21EP motherboards.

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