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Two green DDR2 SO-DIMM sticks with black chips

Computer Memory Solutions

Computer Memory Solutions CM256646400SO 4GB (2x2GB) DDR2 800MHz memory upgrade

SKU CH-94JZ-KBTB7

4GB DDR2 800MHz SO-DIMM kit for early-2008 20-inch iMac Core 2 Duo 2.4

  • Capacity4GB (2 x 2GB)
  • Type200-Pin DDR2 SO-DIMM
  • SpeedDDR2 800 (PC2 6400)
  • CAS LatencyCL6
  • Timing6-6-6
  • Voltage1.8V
  • 4GB kit upgrades Early 2008 iMac 2.4 GHz to 6 GB max
  • Two 2 GB DDR2 800 MHz SO-DIMMs install in the two memory slots
  • CL6 6-6-6 timing at 1.8 V delivers stable system responsiveness
  • Unbuffered non-ECC 200-pin modules match Apple MB323LL/A specifications exactly
  • Major-brand chips backed by CMS lifetime warranty ensure long-term reliability

Targeted iMac upgrade

This 4 GB kit (2 × 2 GB) uses 200-pin DDR2 SO-DIMM modules rated at 800 MHz (PC2-6400) with CL6 timings. It is built specifically for the Apple iMac "Core 2 Duo" 2.4 20-Inch Early 2008 (model identifiers MB323LL/A, iMac8,1, A1224). The unbuffered, non-ECC design matches the original factory specification.

Sustained load behaviour

At the rated 1.8 V the modules maintain their 6-6-6 timings continuously without dropping to lower speeds. The major-brand chipset and 2Rx8 organisation keep data integrity stable during long work sessions. The system maximum of 6 GB across the two sockets means this kit leaves one slot free for a further 2 GB module if required.

Thermals noise power

With no heat spreader fitted, the sticks rely on the iMac's internal airflow for cooling. Power draw stays at the standard DDR2 1.8 V level, adding minimal load to the power supply. Silent operation is assured because the memory produces no audible noise and does not trigger extra fan activity under normal use.

Punti di forza

  • 4GB kit upgrades Early 2008 iMac 2.4 GHz to 6 GB max
  • Two 2 GB DDR2 800 MHz SO-DIMMs install in the two memory slots
  • CL6 6-6-6 timing at 1.8 V delivers stable system responsiveness
  • Unbuffered non-ECC 200-pin modules match Apple MB323LL/A specifications exactly
  • Major-brand chips backed by CMS lifetime warranty ensure long-term reliability

Caratteristiche tecniche

BrandComputer Memory Solutions
ModelCM256646400SO
Capacity4GB (2 x 2GB)
Type200-Pin DDR2 SO-DIMM
SpeedDDR2 800 (PC2 6400)
CAS LatencyCL6
Timing6-6-6
Voltage1.8V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemApple Imac "Core 2 Duo" 2.4 20-Inch Early 2008
Package Content2 Memory RAM Sticks

Domande su questo articolo

How much heat and power does this 1.8V DDR2 kit draw during all-day use?

The modules run at the standard DDR2 voltage of 1.8V without a heat spreader, so they add minimal warmth and draw only the power the iMac memory controller supplies.

What must my iMac already have for these two 200-pin SO-DIMMs to install and boot?

Your Apple iMac "Core 2 Duo" 2.4 20-Inch Early 2008 needs two free SO-DIMM slots and a firmware that recognises PC2-6400 CL6 unbuffered memory.

Will this PC2-6400 CL6 pair work with the original memory sticks already in the iMac?

Computer Memory Solutions guarantees compatibility with the specified iMac model; the kit is tested to run alongside the factory-installed modules in that system.

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