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Green circuit board with black memory chips and gold edge connector

A-Tech

A-Tech 1GB DDR2 800MHz PC2-6400 200-Pin SODIMM memory upgrade

SKU CH-BBYK-7QAP0

1GB DDR2 800MHz SODIMM for select 2008-2009 Apple MacBook and iMac models

  • Total capacity1 GB
  • Rated speedDDR2 800 (PC2 6400)
  • ChipsetMajor Brand Chipset
  • Rated voltage1.8 V
  • Buffer typeUnbuffered
  • Compatible systemsApple Mac Systems
  • Boosts Mac responsiveness with 1GB DDR2 800MHz speed
  • Fits 2008-2009 iMac and MacBook models using 200-pin SODIMM
  • Runs at standard 1.80V DDR2 voltage for stable operation
  • Tested with major-brand chips to meet Apple system requirements
  • Non-ECC unbuffered design matches original Mac memory specifications

1GB DDR2 800MHz SODIMM for Mac

This 200-pin unbuffered module adds one gigabyte of DDR2 800 memory to supported Apple computers. It runs at 1.80 volts with non-ECC chips and carries the PC2-6400 speed rating.

Fits Mid 2009 MacBook and Early 2008 iMacs

The part matches Apple order numbers MB323LL/A, MB324LL/A, MB325LL/A, MB398LL/A and MC240LL/A plus model IDs iMac8,1 and MacBook5,2. Machines outside that list, or systems requiring a different pin count or voltage, cannot use this module.

Single 1GB module limits total capacity

Each stick provides exactly one gigabyte, so the maximum memory you can install equals the number of slots your Mac accepts. Buyers needing more than 1GB per slot must select a higher-density upgrade.

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 1 GB
Lower than about 98% of the 20,941 comparable items (median 32 GB).
Price per GB $10.99 per GB
Pricier than about 55% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameA-Tech
Product lineA-Tech DDR2 Apple Mac RAM Memory Upgrades
Total capacity1 GB
Performance
Rated speedDDR2 800 (PC2 6400)
Processor
ChipsetMajor Brand Chipset
Memory
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Power
Rated voltage1.8 V
Compatibility
Compatible systemsApple Mac Systems

Questions about this item

Will the DDR2 SO-DIMM need replacement or maintenance later?

DDR2 modules have no moving parts and require no scheduled maintenance; replacement is only needed if a module fails or you upgrade capacity.

What limit appears first during sustained use of this 1 GB DDR2 800 MHz module?

The 1 GB capacity is the first bottleneck; memory-intensive tasks will exhaust available RAM before the 800 MHz speed becomes a constraint.

How much heat or power does this 1.80 V DDR2 SO-DIMM generate when running all day?

Operating at 1.80 V without a heat spreader, the module draws modest power and runs cool enough for continuous use in the supported MacBook and iMac systems.

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