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Green circuit board with black memory chips, gold edge connector, thin rectangular stick

Computer Memory Solutions

Computer Memory Solutions CM256645300SO 2GB DDR2 667 SO-DIMM iMac 2.16 24-Inch memory upgrade

SKU CH-11Z7-XG7NZ

2GB DDR2 667MHz SO-DIMM upgrades the 24-inch iMac Core 2 Duo 2.16 from late 2006

  • Total capacity2 GB
  • Rated speedDDR2 667 (PC2 5300)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL5
  • Memory timings5-5-5
  • Rated voltage1.8 V
  • 2 GB capacity lets the iMac handle more apps at once
  • DDR2 667 MHz speed matches the original system specification
  • 200-pin SO-DIMM form factor fits the 24-inch Core 2 Duo iMac slot
  • Unbuffered non-ECC design installs without configuration changes
  • 8 V operation keeps power draw within factory limits

System-specific DDR2 SO-DIMM for 24-inch iMac

This 2GB module targets owners of the Apple iMac "Core 2 Duo" 2.16 24-Inch from late 2006 who need a direct replacement or a capacity increase. It uses the 200-pin DDR2 SO-DIMM form factor specified for that system.

Sustained-load behaviour on DDR2 667

Rated at DDR2 667 (PC2 5300) with CL5 5-5-5 timings, the stick maintains its rated frequency and latency during extended workloads rather than throttling after a short burst. The unbuffered, non-ECC design with 2Rx8 organisation delivers consistent throughput for the memory controller in the compatible iMac.

Thermals, noise and power draw

Operating at the standard DDR2 voltage of 1.8V without a heat spreader, the module adds minimal thermal load to the iMac's existing cooling solution. It draws only the power required for the 2GB capacity and produces no audible noise, leaving the system's acoustic profile unchanged.

How it compares

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

Price $9.99
Cheaper than about 97% of the 21,161 comparable items (median $397.99).
Total capacity 2 GB
Lower than about 95% 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).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM256645300SO
Total capacity2 GB
Product type200-Pin DDR2 SO-DIMM
Performance
Rated speedDDR2 667 (PC2 5300)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL5
Memory timings5-5-5
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.8 V
Compatibility
Compatible systemsApple Imac "Core 2 Duo" 2.16 24 in
In the box
Included items1 Memory RAM Stick

Questions about this item

Will the 1.8 V DDR2-667 SO-DIMM run hot or loud during all-day use?

DDR2 SO-DIMMs draw modest power at 1.8 V and have no moving parts, so they stay cool and silent even during continuous operation.

What slot type must the iMac already provide for this 200-pin module to fit?

The iMac needs an available 200-pin DDR2 SO-DIMM socket; this model has two such slots.

Can I pair this 2 GB stick with the original 1 GB modules in the 24-inch 2.16 GHz iMac?

Yes, the system supports mixed capacities up to 2 GB per slot and 4 GB total across both sockets.

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