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Small black laptop CPU cooling fan with wire connector

DBTLAP

DBTLAP Laptop CPU Fan for HP ProBook 450G1 455G1

SKU CH-Y4HV-10VVN

Replacement CPU cooler tested for 100% function, fits HP ProBook 450G1 and 455G1 models

  • Accessory categoryCooler
  • Cools HP ProBook 450G1 and 455G1 reliably
  • Exact match for part numbers 721938-001 and KSB06105HB-CM16
  • Runs on 5 V at 0.40 A for efficient operation
  • Each unit tested individually to ensure 100% function
  • Single fan included, ready for immediate installation

Replacement Fan for HP ProBook 450G1 455G1

This replacement CPU cooler is built for HP ProBook 450G1 and 455G1 laptops. It matches part numbers 721938-001, KSB06105HB-CM16 and 23.10754.001. Each unit is tested before dispatch to confirm it spins correctly. Buyers who need a fan for a different laptop series cannot use this part.

Thermal Performance and Power Draw

The fan runs on DC 5 V and draws 0.40 A during operation. It is designed to maintain the original thermal profile of the supported ProBook models. No alternative voltage or current ratings are provided. Users who require a higher airflow specification or a different voltage standard will not be served by this component.

Installation Fit and System Impact

The package includes one fan ready for direct swap into the compatible chassis. No additional mounting hardware or cables are supplied. It frees the system from overheating caused by a failed original cooler. Builders working on other HP models or custom chassis must source a different cooler.

How it compares

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

Price $8.99
Cheaper than about 91% of the 6,190 comparable items (median $20.99).

Specifications

Product
Accessory categoryCooler

Questions about this item

How do I install the DC 5 V 0.40 A CPU fan in my HP ProBook 450G1 or 455G1, and which step do people often miss?

Remove the bottom cover, disconnect the old fan cable from the motherboard header, swap the fan, then reconnect the cable firmly — the step most people miss is reseating the connector so the 0.40 A signal registers.

What maintenance or replacement will this Forcecon, ADDA, Sunon or Kipo fan need later?

Clean dust from the heatsink fins and intake vents every few months; if bearing noise or speed drop appears, replace the whole fan unit — no separate parts are serviceable.

What limit appears first when this 5 V 0.40 A cooler runs under sustained load?

The 0.40 A current ceiling caps maximum RPM, so thermal headroom hits its limit before the 5 V supply does.

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