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Small square 4 cm cooling fan with black plastic frame and blades

Fans

Fans 4010H05F 768 5V .42A 4CM laptop graphics card cooling fan

SKU CH-KJP0-V88F3

A 4 cm, 5 V case fan drawing 0.42 A for laptop graphics card cooling

  • 5 V power supply keeps laptop graphics card cool
  • 42 A current draw limits battery impact
  • 768 RPM speed moves air through tight spaces
  • 4010 form factor fits 4 cm mounting points

40 mm 5 V Laptop GPU Cooling Fan

This 40 mm fan runs on 5 V at 0.42 A and spins at 768 RPM to cool laptop graphics cards. It fits tight spaces where larger case fans cannot be installed. Builders repairing or upgrading compact GPU coolers will find the voltage and current match many OEM designs. The unit is supplied new and ready for direct replacement.

Thermals Noise and Power Draw

At 5 V the motor draws only 0.42 A, keeping power consumption low for battery-powered systems. The 768 RPM speed moves enough air for typical laptop GPU loads without generating intrusive noise. Heat is exhausted through the existing heatsink fins, so no extra ducting is required. The low current also reduces strain on the laptop's fan header.

Highlights

  • 5 V power supply keeps laptop graphics card cool
  • 42 A current draw limits battery impact
  • 768 RPM speed moves air through tight spaces
  • 4010 form factor fits 4 cm mounting points

Specifications

No published specifications for this item yet.

Questions about this item

How do I connect the 5V .42A fan to the laptop graphics card header?

Match the 5V and ground pins to the 4010H05F connector on the card, then secure the 4CM frame with the original screws.

When should I replace the 768 RPM bearing?

Replace the fan when bearing noise appears or airflow drops below the level needed to keep the graphics card at safe temperatures.

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