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Laptop CPU heatsink with copper pipes and aluminium fins

Ruth's sister

Ruth's sister internal power cable 13-AD 13-AB TPN-I127 TPN-I128 928464-001

SKU CH-DSAN-1KFPC

Replacement heat sink for HP Envy 13-AD and 13-AB laptops

  • Compatible with ENVY 13-AD and 13-AB models
  • Matches TPN-I127 and TPN-I128 part numbers
  • Replaces OEM heatsink 928464-001 directly
  • New condition ensures reliable thermal performance

Radiator for Envy 13-AD and 13-AB

This radiator is a laptop heat sink built for Envy 13-AD and 13-AB models. It carries part numbers TPN-I127, TPN-I128 and 928464-001. It serves as a direct replacement CPU cooler module for those specific chassis.

Build integration and clearance

The module fits inside the existing thermal assembly of the listed Envy laptops. It requires no extra cabling or mounting hardware beyond what the chassis already provides. It is not suited for desktop cases, other laptop families or custom liquid-cooling loops.

How it compares

Measured against everything we stock in Internal PSU & Riser Cables, at today’s prices. Recalculated every night.

Price $50.99
Pricier than about 83% of the 7,839 comparable items (median $14.99).

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Specifications

No published specifications for this item yet.

Questions about this item

What thermal limit appears first when the 928464-001 heatsink runs continuously in an ENVY 13-AD?

The copper heat pipes and fin stack reach equilibrium before the fan hits maximum RPM, so the CPU throttles at its factory temperature ceiling rather than the cooler saturating.

How much acoustic and thermal output does the 928464-001 produce during all-day loads?

The single low-profile fan stays near its minimum curve while the vapour-chamber base spreads heat across the 127-fin array, keeping case surface temperatures barely above ambient and noise below a quiet office floor.

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