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Green circuit board with black memory chips and gold edge connector

Computer Memory Solutions

Computer Memory Solutions 4GB DDR2 667MHz SO-DIMM for iMac 20-inch 2.0GHz MA876LL/A

SKU CH-8G1B-GK9C3

A 4 GB DDR2 667 MHz SO-DIMM module designed for the 20-inch iMac 2.0 GHz Intel Core 2 Duo

  • Capacity4GB
  • Type200-Pin DDR2 SO-DIMM
  • SpeedDDR2 667 (PC2 5300)
  • CAS LatencyCL5
  • Timing5-5-5
  • Voltage1.8V
  • 4GB capacity lets you reach the 6GB iMac limit
  • 667MHz DDR2 speed matches the original specification
  • 200-pin SO-DIMM form factor fits the iMac memory slots
  • CL5 latency with 5-5-5 timing for stable operation
  • Unbuffered non-ECC design works with the Apple memory controller

Targeted iMac upgrade

This 4GB DDR2 667MHz SO-DIMM is built specifically for the Apple iMac 20-inch 2.0GHz Intel Core 2 Duo MA876LL/A. It addresses the exact memory slot and timing requirements of that model so owners can extend usable system memory without compatibility guesswork.

Straightforward laptop-style install

The 200-pin SO-DIMM seats in the iMac's user-accessible memory door using standard notebook installation steps. No heat spreader means the module fits the tight clearance, but the 2Rx8 rank layout requires the second slot to hold a 2GB stick to reach the 6GB system maximum.

4GB single-module capacity

One stick delivers 4GB at PC2-5300 speeds with CL5 5-5-5 timing at 1.8V unbuffered non-ECC operation. The iMac's two-slot design caps total memory at 6GB when paired with a 2GB module, so this kit cannot serve systems needing 8GB or dual-channel matched pairs.

Pontos fortes

  • 4GB capacity lets you reach the 6GB iMac limit
  • 667MHz DDR2 speed matches the original specification
  • 200-pin SO-DIMM form factor fits the iMac memory slots
  • CL5 latency with 5-5-5 timing for stable operation
  • Unbuffered non-ECC design works with the Apple memory controller

Especificações

BrandComputer Memory Solutions
ModelCM512645300SO
Capacity4GB
Type200-Pin DDR2 SO-DIMM
SpeedDDR2 667 (PC2 5300)
CAS LatencyCL5
Timing5-5-5
Voltage1.8V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemApple Imac 20-Inch 2.0Ghz Intel Core 2 Duo Ma876Ll/A
Package Content1 Memory RAM Stick

Perguntas sobre este artigo

How can I confirm the module is running at the correct speed after installing it in my iMac 20-inch 2.0GHz MA876LL/A?

Open About This Mac and check the Memory tab — it should show a 4 GB DDR2 667 MHz SO-DIMM in one of the two slots.

What comes in the package and is anything else required for installation?

The box contains one 4 GB 200-pin DDR2 SO-DIMM stick; no extra parts or tools are needed to fit it into the iMac's memory slots.

Should I choose this 4 GB stick or a different capacity for my MA876LL/A?

This 4 GB module is the largest single stick the system accepts; pair it with a 2 GB stick in the second slot to reach the 6 GB maximum.

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