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Small rectangular 4-wire server laptop fan, black plastic frame with visible rotor blades

Fans

Fans AB08505HB120B00 Server Laptop Fan DC 5V 0.50A 4-Wire

SKU CH-87J1-Z0RK8

DC 5V 0.50A 4-wire server laptop fan for active cooling

  • 4-wire PWM control enables precise speed regulation
  • DC 5 V input suits low-voltage server and laptop chassis
  • 50 A draw keeps power consumption minimal
  • 8505 model fits compatible replacement slots

120 mm 4-wire server laptop fan

This 120 mm fan uses a 4-wire PWM interface and runs on 5 V DC at 0.50 A. It is designed for server and laptop chassis that require precise speed control through a standard four-pin header. The compact frame fits tight internal layouts where airflow must be directed over dense component stacks. Builders working on custom small-form-factor projects will also find the form factor convenient.

Not for systems that only provide 3-pin voltage

The 4-wire connector needs a matching PWM header to enable automatic speed regulation; a 3-pin header will run the fan at full speed continuously. Buyers whose motherboards or fan controllers lack 4-pin outputs should verify compatibility before purchase. The 5 V rating also means this unit is unsuitable for 12 V-only fan headers found on many desktop boards.

How it compares

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

Price $12.99
Cheaper than about 80% of the 8,339 comparable items (median $19.99).

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Specifications

No published specifications for this item yet.

Questions about this item

What does the 0.50 A draw mean once this fan is installed in a laptop?

The fan pulls 0.50 A from the 5 V supply, adding modest load to the laptop's power budget.

What does the 4-wire interface cap in practice?

The fourth wire carries a PWM signal so the system can vary speed precisely instead of only on or off.

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