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Four green DDR3 SO-DIMM sticks with black chips, no heat spreader

Computer Memory Solutions

Computer Memory Solutions 32GB (4x8GB) DDR3 1333MHz SO-DIMM memory upgrade for Apple iMac 27-Inch Mid-2010

SKU CH-PXKY-TR91X

32 GB kit of four 8 GB DDR3 1333 MHz SO-DIMM modules for the 27-inch iMac from mid-2010

  • Total capacity32 GB (4 × 8 GB)
  • Rated speedDDR3 1333 (PC3 10600)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL9
  • Memory timings9-9-9
  • Rated voltage1.5 V
  • 32 GB total capacity for demanding multitasking
  • Four 8 GB modules fill all four slots
  • DDR3 1333 MHz speed matches original spec
  • 204-pin SO-DIMM form factor fits iMac
  • 5 V unbuffered non-ECC design ensures compatibility

32GB DDR3 kit for 2010 iMac

This 32GB kit contains four 8GB DDR3 1333MHz SO-DIMM modules built for the Apple iMac 27-Inch Mid-2010. It uses 204-pin unbuffered non-ECC memory rated at 1.5V with CL9 timings. The kit fills all four memory slots to reach the system maximum of 32GB.

Passive operation with standard voltage

The modules run at the standard 1.5V DDR3 voltage without heat spreaders, relying on the iMac's internal airflow for cooling. No active cooling or extra power is required beyond what the SO-DIMM slots provide. Operation stays silent because there are no moving parts on the memory itself.

Direct slot installation with lifetime warranty

Each stick inserts vertically into the 204-pin SO-DIMM sockets accessible behind the memory door. The 2Rx8 rank configuration matches the platform requirements for full capacity recognition. Computer Memory Solutions backs the kit with a limited lifetime warranty when purchased directly. Builders needing ECC or registered memory should look elsewhere.

How it compares

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

Price $97.99
Cheaper than about 68% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB (4 × 8 GB)
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $3.06 per GB
Cheaper than about 89% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM10246410600SODRH
Total capacity32 GB (4 × 8 GB)
Product type204-Pin DDR3 SO-DIMM
Performance
Rated speedDDR3 1333 (PC3 10600)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL9
Memory timings9-9-9
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsApple Imac "Core I5 in 2.8 27 in (Mid-2010)
In the box
Included items4 Memory RAM Sticks

Questions about this item

How do I install the four 204-pin SO-DIMM modules in the Mid-2010 iMac, and what step is often missed?

Remove the bottom access door, press each module firmly into a slot until the side clips click, then replace the door; the step often missed is pressing hard enough to fully seat the clips.

What maintenance or replacement will this 32GB kit need later?

No routine maintenance is required; replacement is only needed if a module fails or the system is upgraded beyond DDR3.

What limit appears first under sustained use with these CL9 1.5V modules?

The DDR3 1333MHz bandwidth ceiling is reached before thermal throttling, since the modules have no heat spreader.

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