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Small black plastic laptop CPU cooling fan with wire connector

DBTLAP

DBTLAP Laptop Cooling Pad for Toshiba Satellite M645-S4070

SKU CH-3NVQ-PNX1A

Replacement CPU fan tested for 100% operation and compatible with Toshiba Satellite M645-S4070

  • Accessory categoryCooler
  • Designed for Toshiba Satellite M645-S4070 exact fit
  • 100 per cent pre-ship testing guarantees operation
  • Replacement CPU fan restores original cooling performance
  • Produced by Forcecon, ADDA, Sunon or Kipo
  • Verify photos against your original part before purchase

Compatible Replacement Fan

This replacement CPU fan fits the Toshiba Satellite M645-S4070 laptop. It is a new component tested individually before dispatch. The package includes one fan unit sourced from manufacturers such as Forcecon, ADDA, Sunon or Kipo depending on stock. Buyers should compare the photos with their original part to confirm the match before ordering.

Upgrade From a Failed Cooler

The fan replaces a noisy, failing or completely dead original cooler that causes thermal throttling or shutdowns. The jump is worth it when the laptop runs hot under normal load or the original bearing produces a grinding sound. It restores the intended airflow without modifying the heatsink or mounting points. This part does not address GPU cooling or chassis airflow outside the CPU zone.

Limits of Direct Replacement

The fan connects to the existing motherboard header and uses the original screw pattern, so no adapter or wiring changes are required. Performance is bounded by the laptop's stock thermal design and BIOS fan curve. It cannot increase the maximum RPM beyond the board's control signal or cool components not attached to the same heatsink. Buyers needing higher static pressure or PWM control not supported by the M645 platform should look elsewhere.

How it compares

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

Price $14.99
Cheaper than about 70% of the 6,190 comparable items (median $20.99).

Specifications

Product
Accessory categoryCooler

Questions about this item

Will this fan fit the mounting holes on a Toshiba Satellite M645-S4070 motherboard?

It is built as a direct replacement CPU fan for the Toshiba Satellite M645-S4070, so the screw pattern and connector match the original layout.

What is the installation step people most often miss when fitting this replacement fan?

After securing the fan, the cable must be routed clear of the heatsink fins and plugged firmly into the motherboard header before the bottom case goes back on.

How long is the replacement fan expected to last before it needs changing again?

Each unit is tested before dispatch and the supplier backs it with a 9-month warranty, giving a baseline service period for the new fan.

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