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Two green DDR2 SO-DIMM sticks, 200-pin, no heat spreaders

Computer Memory Solutions

Computer Memory Solutions CM256646400SO 4GB (2x2GB) DDR2 800MHz for iMac Core 2 Duo 2.8 24-Inch Early 2008

SKU CH-WY9Y-M7EEW

A matched pair of 2 GB DDR2 800 MHz SO-DIMM modules validated for the 24-inch iMac Core 2 Duo 2.8 from early 2008

  • Total capacity4 GB (2 × 2 GB)
  • Rated speedDDR2 800 (PC2 6400)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL6
  • Memory timings6-6-6
  • Rated voltage1.8 V
  • 4GB kit upgrades iMac to maximum memory
  • 800 MHz DDR2 matches original system speed
  • 2×2 GB SO-DIMM fits both memory slots
  • 8 V unbuffered design ensures stable operation
  • Guaranteed compatible with Early 2008 24-inch iMac

System-specific DDR2 kit

This 4 GB kit contains two 2 GB DDR2 SO-DIMMs rated at 800 MHz with CL6 timing. It is built for the Apple iMac Core 2 Duo 2.8 24-Inch Early 2008 and uses unbuffered non-ECC modules. The 200-pin form factor matches the original memory slots exactly.

Fits the original slots

Two SO-DIMM sockets accept this matched pair without adapter brackets or voltage changes. The 1.8 V modules run at the standard DDR2 6400 data rate and free both slots for the maximum supported capacity. No heat spreaders are fitted so clearance inside the slim all-in-one chassis is preserved.

Steady CL6 operation

Rated timings of 6-6-6 hold across sustained workloads because the major-brand chipset and unbuffered design avoid extra latency stages. The 2Rx8 organisation keeps each rank active during long sessions without registered buffering overhead. Lifetime warranty from the manufacturer covers defects for the usable life of the system.

How it compares

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

Price $13.99
Cheaper than about 94% of the 21,161 comparable items (median $397.99).
Total capacity 4 GB (2 × 2 GB)
Lower than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $3.50 per GB
Cheaper than about 87% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM256646400SO
Total capacity4 GB (2 × 2 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 systemsThe Apple Imac "Core 2 Duo" 2.8 24 in (Early 2008)
In the box
Included items2 Memory RAM Sticks

Questions about this item

Will the 1.8 V DDR2 modules overheat during all-day use?

The kit runs at standard 1.8 V with no heat spreader; DDR2 SO-DIMMs at this voltage typically stay within safe thermal limits inside the iMac's existing airflow.

How loud is the memory under continuous load?

SO-DIMM modules have no moving parts, so they add no audible noise; any sound comes from the iMac's own cooling fans.

Does the Early 2008 24-inch iMac need a firmware update before installing this 200-pin DDR2 800 MHz kit?

The modules are built to the exact DDR2 800 specification Apple used in that model, so they work without a separate firmware step.

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