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Green circuit board with black memory chips and gold edge connector

A-Tech

A-Tech 4GB DDR2 800 PC2-6400 SODIMM 200-Pin Mac Memory Upgrade

SKU CH-K5D2-CH2MJ

4GB DDR2 800 SODIMM memory upgrade for compatible 2008 iMac and 2009 MacBook models

  • Capacity4GB
  • SpeedDDR2 800 (PC2 6400)
  • Voltage1.80V
  • ECCNo
  • Buffered/RegisteredUnbuffered
  • Rank2Rx8
  • 4GB module expands capacity for demanding multitasking
  • DDR2 800 MHz speed accelerates data transfer rates
  • 200-pin SO-DIMM fits MacBook and iMac slots
  • Non-ECC unbuffered design ensures Apple system compatibility
  • Major-brand chips deliver tested reliability standards

Target Mac Models

This 4GB DDR2 800 SODIMM is built for the 13-inch MacBook (Mid 2009) and the 20-inch or 24-inch iMac (Early 2008). It matches Apple order numbers MB323LL/A, MB324LL/A, MB325LL/A, MB398LL/A and MC240LL/A and model IDs iMac8,1 and MacBook5,2.

Not for Other Systems

Buyers whose Macs need a different DDR generation, a higher speed rating, or an ECC registered module cannot use this stick. The 200-pin SO-DIMM form factor also prevents installation in desktops that require 240-pin DIMMs or in newer Macs that use soldered memory.

Decisive Spec

The module runs at DDR2 800 (PC2-6400) with 1.80V unbuffered non-ECC 2Rx8 chips. If your Mac specifies this exact speed and voltage, the upgrade will work; if it calls for any other DDR standard or voltage, the part is incompatible.

Points forts

  • 4GB module expands capacity for demanding multitasking
  • DDR2 800 MHz speed accelerates data transfer rates
  • 200-pin SO-DIMM fits MacBook and iMac slots
  • Non-ECC unbuffered design ensures Apple system compatibility
  • Major-brand chips deliver tested reliability standards

Caractéristiques

BrandA-Tech
SeriesA-Tech DDR2 Apple Mac RAM Memory Upgrades
Capacity4GB
SpeedDDR2 800 (PC2 6400)
Voltage1.80V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemApple Mac Systems
FeaturesMajor Brand Chips

Questions sur cet article

Will this 4 GB DDR2 800 module work with the original 1 GB or 2 GB sticks already in my MacBook5,2 or iMac8,1?

It is a 200-pin SODIMM running at 1.80 V, matching the factory specification for those models, so it installs alongside existing modules without voltage or keying conflicts.

How can I confirm the module is running at the correct 800 MHz speed after installation?

Open About This Mac or System Profiler; the memory tab will show the new stick listed as PC2-6400 DDR2 800 MHz with a 2Rx8 rank.

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

The box contains one 4 GB DDR2 800 SODIMM module; no brackets, cables or tools are included and none are needed for the MacBook or iMac slots.

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