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Black 4-pin laptop CPU cooling fan only

OEM Industries

OEM Industries CHA5405CS-OA-KL89 5V .50A 4-pin CPU cooler

SKU CH-FKPR-5997K MPN CHA5405CS-OA-KL89

4-pin laptop CPU fan with 5 V, 0.5 A power for Lenovo K47, E47 and E47A models

  • ColorBlack
  • TypeFan only
  • Power Connector4 Pin
  • LEDNo
  • Direct 5 V power for stable laptop cooling
  • 5 A draw keeps system power load low
  • Four-pin connector enables PWM speed control
  • Designed for Lenovo K47, E47 and E47A models
  • Fan-only unit fits existing heatsink assemblies

Replacement fan for Lenovo K47 E47 E47A

This 5 V 0.5 A four-pin fan replaces the original cooler in Lenovo K47, E47 and E47A notebooks. It connects directly to the motherboard header without adapters. The unit is supplied new and contains only the fan assembly. No LED lighting is included.

Suits owners of listed Lenovo models needing

Buyers with other laptop models or desktop sockets cannot use this cooler because the connector pinout and mounting are specific to the named Lenovo series. It is also unsuitable for systems requiring a heatsink assembly or higher airflow than a single 5 V fan provides.

5 V 0.5 A four-pin power specification

The cooler operates at 5 V drawing 0.5 A through a standard four-pin connector. This electrical profile determines compatibility with the target Lenovo motherboards. Verify that the original part matches these ratings before ordering.

Punti di forza

  • Direct 5 V power for stable laptop cooling
  • 5 A draw keeps system power load low
  • Four-pin connector enables PWM speed control
  • Designed for Lenovo K47, E47 and E47A models
  • Fan-only unit fits existing heatsink assemblies

Caratteristiche tecniche

ModelCHA5405CS-OA-KL89
ColorBlack
TypeFan only
Power Connector4 Pin
LEDNo

Domande su questo articolo

Will the 4-pin connector on this CHA5405CS-OA-KL89 fit the motherboard header in a Lenovo K47?

Yes, the fan uses a 4-pin connector that matches the header on Lenovo K47, E47 and E47A models, so it plugs in directly without an adapter.

What is the common mistake when installing this 5V .50A laptop fan?

Many people forget to route the four wires clear of the heatsink fins before tightening the screws, which can pinch the cable and stop the fan spinning.

When will the CHA5405CS-OA-KL89 need to be replaced?

Replace the fan when bearing noise appears or airflow drops enough that the CPU throttles, typically after several years of continuous use in a Lenovo K47 series notebook.

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