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Two green DDR2 SO-DIMM sticks, one 4GB and one 2GB, gold contacts visible

Computer Memory Solutions

Computer Memory Solutions 6GB DDR2 800MHz 200-pin SO-DIMM kit (1×4GB + 1×2GB) for iMac 24" Early 2008

SKU CH-VHH3-K3E1H

A 6 GB DDR2 800 MHz SO-DIMM kit (4 GB + 2 GB) validated for the 24-inch iMac Early 2008

  • Total capacity6 GB
  • Rated speedDDR2 800 (PC2 6400)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL6
  • Memory timings6-6-6
  • Rated voltage1.8 V
  • 6 GB total capacity lets the iMac reach its 6 GB maximum
  • 800 MHz DDR2 speed matches the PC2-6400 specification for this model
  • 200-pin SO-DIMM form factor fits the two memory slots exactly
  • CL6 6-6-6 timing and 1.8 V voltage meet the system requirements
  • Kit includes one 4 GB and one 2 GB module for the full upgrade

6GB DDR2 kit for 24" Early 2008 iMac

This 6GB kit combines one 4GB and one 2GB 200-pin DDR2 SO-DIMM module rated at 800MHz PC2-6400. It is built specifically for the Apple iMac Core 2 Duo 3.06 24-inch Early 2008 (model identifiers MB398LL/A, iMac8,1, A1225). The unbuffered, non-ECC sticks fill both memory sockets to reach the system maximum of 6GB. Builders upgrading a different Mac or a PC desktop cannot use these modules.

Low-voltage DDR2 runs cool and silent

Operating at 1.8V with CL6 6-6-6 timings, the modules draw minimal power and produce no audible noise because they have no heat spreaders or moving parts. The major-brand chipset and 2Rx8 organisation deliver stable operation within the iMac's original thermal envelope. No additional cooling or fan-speed changes are required after installation.

Two sticks complete the factory limit

The package contains exactly two SO-DIMMs — one 4GB and one 2GB — which together populate both slots and hit the 6GB ceiling Apple defined for this model (2211). There are no extra brackets, tools or software utilities included; the memory is recognised automatically by the firmware. Buyers who need more than 6GB or who own a later iMac must look elsewhere.

How it compares

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

Price $84.99
Cheaper than about 69% of the 21,161 comparable items (median $397.99).
Total capacity 6 GB
Lower than about 85% of the 20,941 comparable items (median 32 GB).
Price per GB $14.17 per GB
Pricier than about 61% 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 nameCM6GB6400SO
Total capacity6 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 items2 Memory RAM Sticks

Questions about this item

How do I install the 200-pin DDR2 SO-DIMM modules in my 24-inch Early 2008 iMac, and what step is often missed?

Remove the memory access door, insert each module at an angle until the gold contacts disappear, then press down firmly until both side latches click; the step often missed is pressing hard enough to engage both latches on each stick.

What maintenance or replacement will this 6GB DDR2 kit need later?

No routine maintenance is required; keep the interior dust-free and reseat the modules if the iMac fails to recognise the full 6GB after moves or temperature cycles.

What limit appears first under sustained use with these CL6 1.8V modules?

The memory controller caps total capacity at 6GB, so the limit you hit first is the maximum addressable memory rather than bandwidth or thermal throttling.

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