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Small black laptop cooling fan with four-pin connector

Lemincrash

Lemincrash BAAA0508R5H 5V 0.5A 4-pin laptop cooling pad

SKU CH-NTFF-7CJTP MPN BAAA0508R5H

Replacement four-wire cooling fan runs at 5 V 0.5 A for notebook thermal control

  • Accessory categoryCooler
  • Main functionNotebook
  • DetailsBAAA0508R5H
  • Key featuresNew
  • In the boxCPU Cooling fan*1
  • Cools notebooks efficiently with 5 V 0.5 A power draw
  • Four-wire PWM interface enables precise speed control
  • Genuine new replacement matches AVC BAAA0508R5H part number
  • Single fan unit installs directly without extra components
  • Compact cooler suits compatible laptop models perfectly

Replacement CPU Cooling Fan

The Lemincrash BAAA0508R5H is a direct replacement cooling fan built for notebook computers. It matches the original AVC part number and operates at 5 V with a 0.5 A current draw. The four-wire interface supports speed monitoring and PWM control. Buyers who need a different voltage or connector layout cannot use this unit.

Four-Pin Connector and Build

A genuine new fan ships in a single-unit package ready for installation. The four-pin plug carries power, ground, tachometer signal and PWM duty cycle for automatic speed regulation. No extra cables or mounting brackets are included. Technicians should verify the connector keying and pin-out against the service manual before fitting.

Upgrade From Failed or Noisy OEM Fan

This part replaces a worn, noisy or failed factory fan without changing thermal design. The swap is worth it when the original spins erratically, overheats the chassis or triggers BIOS fan errors. It restores stock cooling performance rather than increasing headroom. Systems that require higher airflow or a larger heatsink need a different solution.

How it compares

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

Price $8.99
Cheaper than about 91% of the 6,190 comparable items (median $20.99).

Specifications

Product
Brand nameLemincrash
Model nameBAAA0508R5H
Accessory categoryCooler
In the box
In the boxCPU Cooling fan*1
More details
Main functionNotebook

Questions about this item

What does the 4-pin interface control on this BAAA0508R5H fan?

The four-wire connector supplies 5 V power at 0.5 A and carries a PWM signal so the laptop can vary the fan speed automatically.

Which mounting holes or brackets does this cooler use to fit a laptop?

The unit is a direct replacement for the AVC BAAA0508R5H P002 fan and uses the original screw pattern on the motherboard fan header.

How do I install the fan and what step is often missed?

Disconnect the battery, swap the old fan for this BAAA0508R5H unit, plug the 4-pin header in firmly, then reassemble — many forget to reconnect the battery before testing.

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