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Green rectangular 200-pin DDR2 SO-DIMM module with black memory chips and gold edge connector

Computer Memory Solutions

Computer Memory Solutions CM512646400SO 4GB DDR2 800 200-Pin SO-DIMM

SKU CH-CZE5-VG98H

4GB DDR2 800 200-pin SO-DIMM for Apple iMac Core 2 Duo 3.06 24-inch Early 2008

  • Total capacity4 GB
  • Rated speedDDR2 800 (PC2 6400)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL6
  • Memory timings6-6-6
  • Rated voltage1.8 V
  • 4GB capacity upgrades Early 2008 iMac to 6GB max
  • DDR2 800 speed matches original PC2-6400 specification
  • 200-pin SO-DIMM form factor fits Apple iMac slot
  • CL6 6-6-6 timing at 1.8V for stable operation
  • Unbuffered non-ECC design suits consumer desktop requirements

4GB DDR2 800 SO-DIMM for Early 2008 iMac

This 4GB DDR2 800 module uses the 200-pin SO-DIMM form factor and runs at 1.8V with CL6 timing. It is built as a 2Rx8 unbuffered stick without a heat spreader and carries the CM512646400SO part number from Computer Memory Solutions.

Who this suits and who should look elsewhere

It suits owners of the Apple iMac "Core 2 Duo" 3.06 24-Inch (Early 2008) who need a single 4GB upgrade for one of the two sockets. It is not for systems that need ECC, registered modules, a different pin count, or a voltage other than 1.8V.

The specification that decides fit

The decisive specification is the 200-pin DDR2 SO-DIMM interface at 800 MHz (PC2 6400) with 1.8V operation and CL6 6-6-6 timing, which matches the memory controller requirements of the compatible iMac model.

How it compares

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

Price $53.99
Cheaper than about 77% of the 21,161 comparable items (median $397.99).
Total capacity 4 GB
Lower than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $13.50 per GB
Pricier than about 60% 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 nameCM512646400SO
Total capacity4 GB
Product type200-Pin DDR2 SO-DIMM
Performance
Rated speedDDR2 800 (PC2 6400)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL6
Memory timings6-6-6
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.8 V
Compatibility
Compatible systemsApple Imac "Core 2 Duo" 3.06 24 in (Early 2008)
In the box
Included items1 Memory RAM Stick

Questions about this item

Does this 200-pin DDR2 800 SO-DIMM require an Apple iMac "Core 2 Duo" 3.06 24-Inch (Early 2008) to work?

Yes, it is specified as compatible with that exact iMac model (MB398LL/A, iMac8,1, A1225) which uses DDR2 SO-DIMM slots.

Can I add this 4 GB module alongside the original memory in the two SO-DIMM slots of my Early 2008 iMac?

The iMac has two slots supporting up to 6 GB total, so this 4 GB stick can be paired with a 2 GB module in the second slot.

How can I verify the 4 GB DDR2 800 module is running at the correct 1.8 V and CL6 timing after installation?

Open System Profiler on the iMac; it will show the module as 4 GB DDR2 800 MHz with the expected voltage and latency values.

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