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Two green DDR3L SO-DIMM sticks with black chips, no heat spreaders

Computer Memory Solutions

Computer Memory Solutions 16GB DDR3L 1600MHz 2x8GB iMac 27" Late 2014

SKU CH-4MMV-S18JN

16 GB kit of two 8 GB DDR3L SO-DIMM modules running at 1600 MHz for the 27-inch iMac Retina 5K from late 2014

  • 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 total capacity with two 8 GB modules
  • DDR3L 1600 MHz speed rated at PC3L 12800
  • 35 V low-voltage operation for efficient performance
  • 204-pin SO-DIMM form factor fits the iMac 27" Late 2014
  • CL11 11-11-11 timing with unbuffered 2Rx8 configuration

iMac Late 2014 Memory Upgrade Kit

This 16 GB kit contains two 8 GB DDR3L SO-DIMM modules rated at 1600 MHz with CL11 timing and 1.35 V operation. The 204-pin unbuffered non-ECC sticks are built with major-brand components and ship as a matched pair for dual-channel performance.

Suited for 27-inch Retina 5K iMac Owners

The kit is validated for the MF886LL/A Late 2014 iMac, which accepts up to 32 GB across its four SO-DIMM slots. Builders needing ECC registered memory, standard DIMM form factors, or a different DDR generation should look elsewhere.

1600 MHz DDR3L SO-DIMM Specification

The decisive spec is the DDR3L 1600 (PC3L 12800) SO-DIMM interface with 204 pins and 1.35 V voltage; only systems designed for this exact module type will accept the upgrade.

How it compares

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

Price $35.99
Cheaper than about 82% 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 $2.25 per GB
Cheaper than about 93% 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 Retina 5K 27 in (Late 2014) Mf886Ll/A
In the box
Included items2 Memory RAM Sticks

Questions about this item

Will the 204-pin DDR3L SO-DIMM sticks need replacement if I later upgrade the iMac to its 32 GB maximum?

The kit provides 16 GB in two 8 GB modules. The iMac Late 2014 supports up to 32 GB across four slots, so adding another matching pair would reach the limit without removing these sticks.

What thermal or power ceiling appears first when the memory runs at 1600 MHz continuously?

Operating at 1.35 V without a heat spreader, the modules rely on the iMac’s internal airflow; sustained loads stay within the DDR3L low-voltage envelope and the system’s cooling design.

How much fan noise or extra heat should I expect from the 1.35 V CL11 kit during all-day use?

The low-voltage DDR3L design and unbuffered 2Rx8 organisation keep power draw modest, so the iMac’s existing thermal management handles the load without audible fan ramp-up.

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