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Green laptop memory module with black chips and gold contacts

Kingston Technology Corp.

Kingston Technology Corp. KTH-X3C/8G laptop RAM

SKU CH-TCCP-N7687 MPN KTH-X3C/8G

System-specific 8 GB laptop memory module validated for HP and Compaq notebooks

  • Key featuresB4U40AA (HP/Compaq); H2P65AA (HP/Compaq)
  • Designed for HP/Compaq systems using part B4U40AA
  • Matches HP/Compaq specification H2P65AA for correct fit
  • Kingston system-specific memory built for laptop upgrades
  • New module ready for immediate installation in compatible notebooks
  • Manufacturer listed on 23 May 2025 for current availability

System-Specific Laptop Memory

Kingston Technology Corp. KTH-X3C/8G is a laptop memory module built to match HP and Compaq part numbers B4U40AA and H2P65AA. It targets owners of those specific models who need a direct replacement or a capacity increase without compatibility guesswork.

Matched Part Numbers Remove Guesswork

The module carries the exact HP and Compaq identifiers B4U40AA and H2P65AA so the firmware and timing tables align with the original platform qualification. That alignment means the system recognises the stick at first boot and avoids the POST failures or down-clocking that generic sticks can trigger on these chassis.

Verify Your Exact Model Before Ordering

Check the service tag or the maintenance manual for B4U40AA or H2P65AA to confirm the slot type and maximum supported capacity for your unit. Buyers whose laptops use a different HP part number or a non-HP platform will not get the guaranteed compatibility this stick provides.

How it compares

Measured against everything we stock in Laptop RAM, at today’s prices. Recalculated every night.

Price $30.99
Cheaper than about 73% of the 2,079 comparable items (median $70.99).

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Specifications

Product
Brand nameKingston
Model nameKTH-X3C/8G
Size & build
Shipping weight0.04 kg
Package size81 × 44 × 8 mm

Questions about this item

Will the B4U40AA or H2P65AA part numbers need to be matched again if I replace this module later?

Yes, those HP/Compaq part numbers identify the exact specification; any future replacement should carry the same codes to guarantee compatibility.

What is the first limit reached when this memory runs at full load for extended periods?

The module operates within standard JEDEC thermal limits; sustained full-load use will reach its rated operating temperature before any throttling or shutdown threshold is triggered.

How much heat or fan noise does this module add when the laptop runs all day?

Memory modules produce minimal heat and have no moving parts; any audible noise or temperature rise comes from the laptop's own cooling system, not from this stick.

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