We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
New laptop CPU cooling fan assembly for Lenovo B40 B50 series

Fans

Fans CPU Cooler for Lenovo B40 B50 B40-30 B40-70 B50-30 B40-45 B40-80 B50-45 B50-70

SKU CH-NVGJ-9FJH1

Replacement laptop CPU cooling fan compatible with Lenovo B-series models including B40, B50, B40-30, B40-70, B50-30, B40-45, B40-80, B50-45 and B50-70

  • Compatible with Lenovo B40 B50 series laptops
  • New condition ensures reliable cooling performance
  • Direct replacement CPU cooling system
  • Supports multiple B40 B50 model variants

Compatible Lenovo Laptop Models

This replacement cooling fan fits Lenovo B40, B50 and the numbered variants 30, 40, 45, 50, 70 and 80. It is a new CPU air cooler designed for those specific laptop chassis. Buyers with other Lenovo series or different brands cannot use this part.

Thermal Operation and Power

The fan draws power from the laptop motherboard header and spins to move air over the heatsink during normal workloads. Acoustic output and thermal performance follow the original system curves for these models. No independent noise or power-draw figures are supplied.

Highlights

  • Compatible with Lenovo B40 B50 series laptops
  • New condition ensures reliable cooling performance
  • Direct replacement CPU cooling system
  • Supports multiple B40 B50 model variants

Specifications

No published specifications for this item yet.

Questions about this item

How do I install the CPU cooling fan in a Lenovo B50-70 and which step is often missed?

Remove the bottom cover, disconnect the old fan cable from the motherboard header, unscrew the heatsink assembly, fit the new fan and heatsink, reconnect the cable, then reapply thermal paste on the CPU die before reassembly.

What maintenance will this Lenovo B40-80 cooling fan need over time?

Clean dust from the fan blades and heatsink fins every six to twelve months using compressed air; replace the fan if bearing noise appears or airflow drops noticeably.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.