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Two green circuit boards with black memory chips and gold edge connectors

Computer Memory Solutions

Computer Memory Solutions CM10246414900SODRL 16GB (2x8GB) DDR3L 1866MHz CL13 1.35V SO-DIMM

SKU CH-5BDQ-NKRFY

16 GB kit of two 8 GB DDR3L 1866 MHz SO-DIMM modules for the 27-inch iMac (5K, Late 2015)

  • Total capacity16 GB (2 × 8 GB)
  • Rated speedDDR3L 1866 (PC3L 14900)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL13
  • Memory timings13-13-13
  • Rated voltage1.35 V
  • 16 GB kit upgrades late-2015 27-inch iMac to 64 GB max
  • DDR3L 1866 MHz CL13 runs at low 1.35 V
  • Two 8 GB unbuffered SO-DIMMs install in the four slots
  • 204-pin LPDDR3 modules match Apple MK462LL/A spec
  • Major-brand chips backed by CMS lifetime warranty

System-specific SO-DIMM kit

This 16 GB kit contains two 8 GB DDR3L SO-DIMM modules rated at 1866 MHz with CL13 timing. It is built for the Apple iMac "Core i5" 3.2 27-inch (5K, Late 2015) models MK462LL/A and iMac17,1. The unbuffered, non-ECC design matches the factory specification for these all-in-one systems.

Low-voltage 204-pin modules

Each stick uses a 204-pin edge connector and operates at 1.35 V, reducing heat inside the slim iMac chassis. No heat spreaders are fitted, allowing the modules to sit flush in the factory SO-DIMM slots. The 2Rx8 organisation and major-brand chipset provide stable operation within the validated platform limits.

DDR3L platform ceiling

The iMac17,1 platform supports a maximum of 64 GB across four sockets, so this 16 GB kit leaves room for further expansion. Buyers needing the full 64 GB capacity or requiring ECC registered memory for server workloads should look elsewhere. DDR3L 1866 is the fastest speed this memory controller officially supports.

How it compares

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

Price $33.99
Cheaper than about 83% 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 $2.12 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 nameCM10246414900SODRL
Total capacity16 GB (2 × 8 GB)
Product type204-Pin DDR3 SO-DIMM
Performance
Rated speedDDR3L 1866 (PC3L 14900)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL13
Memory timings13-13-13
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.35 V
Compatibility
Compatible systemsApple Imac "Core I5 in 3.2 27 in (5K, Late 2015) Mk462Ll/A
In the box
Included items2 Memory RAM Sticks

Questions about this item

What DDR3L speed and PC3L rating does this kit run at?

The modules operate at 1866 MHz with a PC3L 14900 rating, matching the iMac's supported memory bus.

Which SO-DIMM form factor and pin count must the iMac's slots accept?

The kit uses 204-pin DDR3 SO-DIMMs, the exact form factor required by the late 2015 27-inch iMac.

How are the two sticks installed, and what common step is missed?

Power off, unplug, open the memory door, insert each stick until the side clips click, then replace the door before reconnecting power.

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