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Two green DDR3 SO-DIMM sticks with black chips

Computer Memory Solutions

Computer Memory Solutions 4GB (2x2GB) DDR3 1066MHz SO-DIMM MacBook 13" Unibody Late 2008

SKU CH-NHFR-D4EWP

A 4 GB DDR3 kit (two 2 GB SO-DIMMs) running at 1066 MHz for the 13-inch Unibody MacBook from late 2008

  • Total capacity4 GB (2 × 2 GB)
  • Rated speedDDR3 1066 (PC3 8500)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL7
  • Memory timings7-7-7
  • Rated voltage1.5 V
  • 4GB dual-channel kit upgrades Late 2008 MacBook 13" to 4GB total
  • DDR3 1066 MHz CL7 timing matches factory specification for stable operation
  • 204-pin SO-DIMM form factor fits the two memory slots exactly
  • 5 V unbuffered non-ECC modules work with original Apple logic board
  • Major-brand DRAM chips backed by CMS lifetime warranty when bought directly

Compatible MacBook Upgrade

This 4 GB kit contains two 2 GB DDR3 SO-DIMM modules rated at 1066 MHz with CL7 timing. It is built for the 13-inch Unibody MacBook from late 2008 with a 2.0 GHz Core 2 Duo processor. The memory runs at 1.5 V and uses unbuffered, non-ECC chips in a 2Rx8 configuration. CMS guarantees compatibility with the specified Apple model.

Installation Requirements

The kit fits the two 204-pin slots inside the compatible MacBook and fills both sockets for a total of 4 GB. Each module operates without a heat spreader, keeping the profile low for the notebook's tight internal space. No ECC or registered buffering is present, so the memory works with the standard consumer memory controller. The system maximum is 8 GB across two slots.

Sustained Operation

Under continuous workloads the modules maintain their rated 1066 MHz speed and 7-7-7 timings at the standard 1.5 V supply. Unbuffered DDR3 chips handle typical notebook thermal conditions without active cooling. The lack of a heat spreader means the DRAM relies on the chassis airflow, which is sufficient for the designed operating environment. Lifetime warranty applies when purchased directly from CMS.

How it compares

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

Price $10.99
Cheaper than about 96% of the 21,161 comparable items (median $397.99).
Total capacity 4 GB (2 × 2 GB)
Lower than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $2.75 per GB
Cheaper than about 91% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM256648500SODRH
Total capacity4 GB (2 × 2 GB)
Product type204-Pin DDR3 SO-DIMM
Performance
Rated speedDDR3 1066 (PC3 8500)
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 "Core 2 Duo" 2.0 13 in (Unibody)
In the box
Included items2 Memory RAM Sticks

Questions about this item

Will the 1.5 V DDR3 1066 modules throttle under sustained load?

The SO-DIMMs run at the standard 1.5 V with CL7 timing and have no heat spreader, so they rely on the notebook's own cooling.

How much noise or extra heat do the sticks add during all-day use?

They are passive, unbuffered modules with no moving parts, so they add no audible noise and only the normal heat of DDR3 1066 operation.

What must the MacBook already have for this 204-pin kit to work?

The MacBook must be the 13-inch Unibody Late 2008 model with two DDR3 SO-DIMM slots supporting PC3-8500 memory.

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