5H40S20491 Replacement CPU and GPU Cooling Fan and Heatsink Compatible with Lenovo Laptops (4-Pins, 12V)

Description

A laptop’s cooling module pulls heat from the processor and graphics chip into metal fins, where a fan blows it out. When that fan slows or fins clog with dust, the machine runs hot, makes noise, and shuts down without warning. Installing this Lenovo 5H40S20491 Replacement Cooling Fan replaces the worn unit and its heatsink in one set.

This 4-pin module brings back airflow at 12V, so the Legion 5 15IAH7 stays cool and stable.

Key Benefits:

• Connects to the main board with a 4-pin plug for automatic speed control.
• Replaces a worn cooling unit to stop sudden shutdowns during heavy work.
• Fixes loud noise and high heat from old fan bearings and clogged fins.
• Restores steady laptop temperatures so games and tasks run without limits.
• Mounts in the Legion 5 15IAH7 to keep the CPU and GPU cool.

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