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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 1333MHz CL7 MacBook Pro 15-Inch memory upgrade

SKU CH-2S0P-DWJNY

8GB kit of two 4GB DDR3 1333MHz CL7 SO-DIMM modules for compatible Apple MacBook Pro 15-inch models

  • Total capacity8 GB (2 × 4 GB)
  • Rated speedDDR3 1333 (PC3 10600)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL7
  • Memory timings7-7-7
  • Rated voltage1.5 V
  • 8GB total capacity in a matched 2 x 4GB kit
  • DDR3 1333MHz CL7 timing for responsive MacBook Pro performance
  • 204-pin SO-DIMM form factor fits 15-inch Apple notebooks
  • Unbuffered non-ECC design matches factory memory specifications
  • Major-brand chipset components with lifetime warranty from CMS

MacBook Pro 15-inch upgrade

This 8GB kit supplies two 4GB DDR3 SO-DIMMs rated at 1333MHz with CL7 timings. It is built for Apple MacBook Pro 15-inch models that use 204-pin DDR3 memory. The modules are unbuffered, non-ECC and run at 1.5V.

Thermals and power

Standard DDR3 SO-DIMMs without heat spreaders draw modest power at 1.5V and produce little heat in normal laptop operation. No active cooling is required and the modules add no audible noise to the system.

What the kit changes

Installing the matched pair enables dual-channel operation on supported MacBook Pro 15-inch models from 2011. The upgrade raises total memory to the 8GB maximum for those machines, improving multitasking and responsiveness for everyday workloads.

How it compares

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

Price $39.99
Cheaper than about 80% 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 $5.00 per GB
Cheaper than about 77% 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 systemsApple Macbook Pro 15 in
In the box
Included items2 Memory RAM Sticks

Questions about this item

How do I install the 204-pin DDR3 SO-DIMM modules in my MacBook Pro 15-inch, and what step do people often miss?

Power off the Mac, remove the bottom case screws, ground yourself, then insert each 4 GB stick at an angle until the clips snap shut — the step most people skip is pressing firmly on both ends until you hear two distinct clicks per module.

What maintenance or replacement will this 8 GB kit need over its service life?

No scheduled maintenance is required; the unbuffered non-ECC modules have no moving parts or batteries, so they run until a rare cell failure occurs, at which point you simply replace the faulty 4 GB stick.

What limit appears first when the memory runs at 1333 MHz under sustained heavy workloads?

The 1.5 V operating voltage and CL7 7-7-7 timings set the thermal and stability ceiling; prolonged full-load use will hit the DDR3 voltage envelope before bandwidth becomes a bottleneck.

More in Model-Specific Memory Upgrades

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