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
CPU heatsink assembly for HP ProBook 4330S and 4430S

Fans

Fans CPU Cooler for HP ProBook 4330S 4430S 646357-001

SKU CH-A77B-ST97E

Replacement CPU heatsink assembly compatible with HP ProBook 4330S and 4430S laptops

  • Compatible with HP ProBook 4330S and 4430S
  • Direct replacement for OEM part 646357-001
  • New condition ensures reliable thermal performance
  • Heatsink assembly includes fan for complete cooling solution

Compatible HP ProBook Models

This CPU air cooler is built for HP ProBook 4330S and 4430S laptops. It replaces the original heatsink assembly using part numbers 646357-001 and 6043B0092801. The component fits the designated mounting points on these specific chassis.

Thermal Fit for Listed Notebooks

The cooler dissipates heat within the thermal envelope designed for the 4330S and 4430S platforms. Fan speed and airflow match the factory specification for quiet operation during typical workloads. Power draw remains consistent with the original cooling subsystem. Buyers needing a cooler for other laptop models or desktop sockets cannot use this part.

Highlights

  • Compatible with HP ProBook 4330S and 4430S
  • Direct replacement for OEM part 646357-001
  • New condition ensures reliable thermal performance
  • Heatsink assembly includes fan for complete cooling solution

Specifications

No published specifications for this item yet.

Questions about this item

How do I install the heatsink assembly 646357-001 on my HP ProBook 4330S, and what step is often missed?

Remove the old thermal paste completely, apply a thin new layer on the CPU die, align the four spring screws over the mounting holes, then tighten them in a diagonal cross pattern to ensure even pressure.

What maintenance will the heatsink assembly 646357-001 need after installation?

Clean dust from the fin stack and fan blades with compressed air every six to twelve months; replace the thermal paste if temperatures rise noticeably after a year or two.

Also in this aisle

People compared these

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