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Two green 204-pin DDR3L SO-DIMM sticks, 16GB kit

Computer Memory Solutions

Computer Memory Solutions CM10246412800SODRL 16GB DDR3L 1600 for Apple iMac Core i7 3.4 27-Inch Late 2012

SKU CH-W9W2-DKZQS

16 GB DDR3L 1600 kit (2 × 8 GB) for 27-inch Late 2012 iMac Core i7 3.4

  • Total capacity16 GB (2 × 8 GB)
  • Rated speedDDR3L 1600 (PC3L 12800)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL11
  • Memory timings11-11-11
  • Rated voltage1.35 V
  • 16 GB kit upgrades late-2012 iMac to 32 GB maximum
  • DDR3L 1600 MHz CL11 timing matches factory specification
  • 35 V low-voltage modules reduce system power draw
  • 204-pin SO-DIMM form factor fits both memory slots
  • Tested compatible with Core i7 3.4 27-inch model A1419

Targeted iMac upgrade

This 16 GB kit delivers two 8 GB DDR3L SO-DIMM modules built specifically for the Apple iMac Core i7 3.4 27-Inch Late 2012. It raises the system to half its 32 GB ceiling using the exact 204-pin layout and 1.35 V voltage the platform requires.

Straightforward installation

Unbuffered, non-ECC sticks with CL11 11-11-11 timing slot into the factory memory bays without adapters or configuration changes. The 2Rx8 organisation matches the original specification, so the firmware recognises the full capacity at first boot.

Cool, quiet operation

Low-voltage DDR3L parts draw less power than standard DDR3, keeping internal temperatures stable inside the sealed all-in-one chassis. No heat spreaders are fitted, allowing the existing airflow path to manage thermals without added acoustic load.

How it compares

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

Price $40.99
Cheaper than about 80% of the 21,161 comparable items (median $397.99).
Total capacity 16 GB (2 × 8 GB)
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $2.56 per GB
Cheaper than about 91% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM10246412800SODRL
Total capacity16 GB (2 × 8 GB)
Product type204-Pin DDR3 SO-DIMM
Performance
Rated speedDDR3L 1600 (PC3L 12800)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL11
Memory timings11-11-11
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.35 V
Compatibility
Compatible systemsApple Imac "Core I7 in 3.4 27 in (Late 2012)
In the box
Included items2 Memory RAM Sticks

Questions about this item

What DDR3L standard does this 16GB kit run at, and what bandwidth does that provide?

The modules run at DDR3L 1600 (PC3L 12800), delivering 12800 MB/s bandwidth per stick.

Will the 204-pin SO-DIMM form factor fit the four slots in my Late 2012 27-inch iMac?

Yes, the 204-pin SO-DIMM design matches the four memory slots in the iMac Core i7 3.4 27-Inch (Late 2012) model A1419.

How do I install the two 8GB sticks, and what step do people often miss?

Power off, unplug, lay the iMac face-down on a soft cloth, remove the RAM access door, eject any existing modules, insert both 8GB sticks until they click, replace the door, then reconnect power.

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