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Small black rectangular laptop cooling fan with four-pin connector

NShi

NShi CPU & GPU Cooling Fan 5H40S20310 for Lenovo Legion 5-15ACH6/6H/6A

SKU CH-XDW2-MSP50

Replacement CPU and GPU cooling fan for Lenovo Legion 5-15ACH6 series laptops

  • Accessory TypeFan
  • Keeps your Legion 5 cool with a direct-fit 4-pin CPU and GPU fan
  • Delivers reliable 5 V airflow for Legion 5-15ACH6, 6H and 6A models
  • Replaces part numbers 5H40S20310, 5H40S20311 and 5H40S20312 for exact compatibility
  • Brand-new condition ensures full performance from first power-on
  • Backed by a six-month manufacturer warranty for peace of mind

Replacement Cooling Fan for Legion 5

This new NShi fan replaces the CPU and GPU cooler in Lenovo Legion 5-15ACH6, 5-15ACH6H and 5-15ACH6A laptops. It connects through a 4-pin power header and runs on 5V. The part numbers 5H40S20310, 5H40S20311 and 5H40S20312 all refer to this unit.

For owners of the listed Legion models needing

Technicians repairing a noisy or failed original cooler in one of the three compatible chassis will find this a drop-in match. Buyers with other Legion series, different 15-inch Lenovo lines or any non-Lenovo notebook cannot use this fan.

Check your exact model suffix

Confirm the laptop sticker reads 5-15ACH6, 5-15ACH6H or 5-15ACH6A. Verify the existing cooler uses a 4-pin plug and 5V operation. The manufacturer lists a six-month warranty on the part.

Highlights

  • Keeps your Legion 5 cool with a direct-fit 4-pin CPU and GPU fan
  • Delivers reliable 5 V airflow for Legion 5-15ACH6, 6H and 6A models
  • Replaces part numbers 5H40S20310, 5H40S20311 and 5H40S20312 for exact compatibility
  • Brand-new condition ensures full performance from first power-on
  • Backed by a six-month manufacturer warranty for peace of mind

Specifications

Accessory TypeFan

Questions about this item

Does this fan require the laptop's existing 4-pin CPU-fan header to operate?

Yes, the fan connects via a 4-pin power connector that plugs directly into the Legion 5-15ACH6, 5-15ACH6H or 5-15ACH6A motherboard header.

Will the 5H40S20310 fit the same mounting points as the original 5H40S20311 and 5H40S20312 fans?

The part is listed as compatible with all three MPNs, so it uses the identical screw pattern and thermal-contact layout for those Legion 5 models.

After installation, how can I verify the 5 V fan is spinning at the correct speed?

Enter the BIOS hardware-monitor screen or run Lenovo Vantage; both report real-time RPM for the CPU/GPU fan on these Legion 5 chassis.

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