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Small black rectangular CPU cooling fan with wire grille and cable

Fans

Fans CPU Fan 00UP171 00UP172 EF50050S1-C590-S9A

SKU CH-A1RR-SQV51

Replacement CPU cooling fan for compatible Lenovo ThinkPad models

  • Genuine Lenovo replacement keeps your ThinkPad running cool
  • Supports X240, X240S, X250, X240I and X260 models
  • Matches part numbers 00UP171, 00UP172 and EF50050S1-C590-S9A
  • Brand-new condition ensures reliable performance from day one

Compatible Lenovo ThinkPad Models

This replacement CPU cooling fan fits Lenovo ThinkPad X240, X240S, X250, X240I and X260 laptops. It matches part numbers 00UP171 and 00UP172 for direct compatibility. The unit is supplied new and ready for installation in the listed systems.

Build Quality and Daily Implications

The fan uses the original EF50050S1-C590-S9A design for proper fit within the laptop chassis. Its connector aligns with the motherboard header on supported models for a secure connection. Buyers needing a fan for other ThinkPad series or desktop builds should look elsewhere.

How it compares

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

Price $13.99
Cheaper than about 70% 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 connector does the 00UP171 CPU fan use to attach to the motherboard?

The fan connects via the standard 4-pin PWM header found on Lenovo ThinkPad X240, X240S, X250, X240I and X260 mainboards.

Which screw-hole pattern matches the EF50050S1-C590-S9A cooler for installation?

The mounting holes align with the original heatsink bracket used in ThinkPad X240, X240S, X250, X240I and X260 chassis.

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