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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.

Besonderheiten

  • 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

Technische Daten

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

Fragen zu diesem Artikel

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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