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Two green circuit boards with black memory chips and gold edge connectors

Computer Memory Solutions

Computer Memory Solutions CM5126410600SODRH 8GB (2x4GB) DDR3 1333 CL7 SODIMM memory upgrade

SKU CH-JQ6Q-QQGVA

Dual-channel 8 GB DDR3-1333 CL7 SODIMM kit validated for the HP EliteBook 8540W mobile workstation

  • Total capacity8 GB (2 × 4 GB)
  • Rated speedDDR3 1333 (PC3 10600)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL7
  • Memory timings7-7-7
  • Rated voltage1.5 V
  • 8 GB total capacity from a matched 2 x 4 GB kit
  • CL7 CAS latency with 7-7-7 timing for responsive DDR3-1333 performance
  • 5 V unbuffered DDR3 SO-DIMM modules install without extra cooling
  • Guaranteed compatibility with HP EliteBook 8540W mobile workstation notebooks
  • Major-brand chipset on 204-pin SODIMM PCB backed by CMS lifetime warranty

HP EliteBook 8540W upgrade kit

This 8 GB kit contains two 4 GB DDR3 1333 SODIMM modules built for the HP EliteBook 8540W mobile workstation. It uses 204-pin unbuffered non-ECC memory rated at CL7 7-7-7 timing and 1.5 V. The matched pair enables dual-channel operation on the notebook’s two memory sockets.

Low voltage DDR3 thermals

DDR3 SODIMM modules at 1.5 V produce modest heat inside the compact EliteBook 8540W chassis. No heat spreaders are fitted, so the sticks rely on the notebook’s internal airflow. Power draw stays within the standard DDR3 envelope for this form factor and speed.

Matched pair for dual-channel

The kit supplies two identical 2Rx8 modules that must be installed together to activate dual-channel mode. Each stick uses major-brand chips on a standard 204-pin PCB. The EliteBook 8540W accepts a maximum of 8 GB on dual-core models and 32 GB on quad-core models with four sockets.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $38.99
Cheaper than about 81% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB (2 × 4 GB)
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $4.87 per GB
Cheaper than about 78% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM5126410600SODRH
Total capacity8 GB (2 × 4 GB)
Product type204-Pin DDR3 SO-DIMM
Performance
Rated speedDDR3 1333 (PC3 10600)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL7
Memory timings7-7-7
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsHp/Compaq Elitebook 8540 W Mobile Workstation Notebook
In the box
Included items2 Memory RAM Sticks

Questions about this item

How do I install the 204-pin DDR3 SODIMM pair into the EliteBook 8540W and what step is often missed?

Power off, remove battery, open the memory door, insert both 4 GB modules at the same angle until the clips snap — the step many skip is installing the two sticks as a matched pair so dual-channel mode activates.

What maintenance or replacement will this 1.5 V CL7 kit need over time?

No scheduled maintenance is required; the modules have no heat spreader and carry a limited lifetime warranty from CMS, so replacement would only occur if a stick fails.

What limit appears first when the EliteBook 8540W runs sustained workloads with this memory?

The memory bus tops out at 1066 MHz with certain processors, so bandwidth — not the 1333 MHz rating — becomes the bottleneck under heavy load.

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