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Computer Memory Solutions

Computer Memory Solutions 8GB (2x4GB) DDR3 1333MHz SODIMM for iMac 27

SKU CH-WHME-K5W1G

8GB DDR3 1333MHz kit with two 4GB SODIMM modules for 27-inch iMac upgrade

  • Total capacity8 GB (2 × 4 GB)
  • Rated speedDDR3 1333 (PC3 10600)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL7
  • Memory timings7-7-7
  • Rated voltage1.5 V
  • 8GB kit upgrades iMac 27-inch to 32GB maximum
  • Dual 4GB modules run at 1333MHz DDR3 speed
  • CL7 latency and 1.5V voltage for stable operation
  • 204-pin SODIMM fits Apple 3.6GHz Core i5 systems
  • CMS lifetime warranty backs guaranteed compatibility

System-specific DDR3 SO-DIMM kit

This 8 GB kit contains two 4 GB modules built to the PC3-10600 standard at 1333 MHz. It targets owners of the 27-inch iMac with a 3.6 GHz Intel Core i5 who need a straightforward capacity increase. The modules are unbuffered, non-ECC and carry CL7 timings at 1.5 V. Computer Memory Solutions validates compatibility for the listed Apple model.

204-pin installation in four SO-DIMM slots

The iMac provides four SO-DIMM sockets and supports up to 32 GB total, so this pair occupies half the available slots and leaves room for further expansion. Each stick uses the standard 204-pin DDR3 SO-DIMM form factor and requires no heat spreader. Because the memory is system-specific, no manual configuration is needed; the firmware recognises the modules on boot.

Low-profile modules run at standard DDR3 voltage

Operating at 1.5 V with no heat spreader, the sticks rely on the iMac’s internal airflow for cooling. The unbuffered design keeps the electrical load light on the memory controller. In normal desktop workloads the modules add minimal thermal load and produce no audible noise of their own.

How it compares

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

Price $34.99
Cheaper than about 83% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB (2 × 4 GB)
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $4.37 per GB
Cheaper than about 82% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM5126410600SODRH
Total capacity8 GB (2 × 4 GB)
Product type204-Pin DDR3 SO-DIMM
Performance
Rated speedDDR3 1333 (PC3 10600)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL7
Memory timings7-7-7
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsApple Imac 27 in 3.6 GHz Intel Core I5
In the box
Included items2 Memory RAM Sticks

Questions about this item

Will the CL7 latency hold up during long editing sessions without throttling?

The kit runs at CL7 7-7-7 timing at 1.5 V, the specified speed for the supported iMac 27-inch 3.6 GHz Intel Core i5.

How much heat or fan noise should I expect after hours of continuous load?

The modules have no heat spreader and operate at standard 1.5 V DDR3 voltage, so thermal output matches the original Apple specification for this iMac.

Does my iMac need all four slots populated for this 8 GB kit to work?

The iMac 27-inch model supports up to 32 GB across four sockets; this 2 x 4 GB kit installs in any two slots and works without filling the remaining sockets.

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