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Two green 204-pin DDR3L SO-DIMM sticks, no heat spreader

Computer Memory Solutions

Computer Memory Solutions CM10246414900SODRL 16GB (2x8GB) DDR3L 1866 CL13 1.35V 204-Pin SO-DIMM memory upgrade

SKU CH-1FQ0-GB7Y8

16 GB (2×8 GB) DDR3L 1866 CL13 SO-DIMM kit validated for the 27-inch 5K iMac (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 dual-channel kit upgrades late-2015 iMac 27" 5K
  • DDR3L 1866 CL13 runs at low 1.35 V
  • 204-pin SO-DIMM fits factory memory slots
  • Tested for Apple iMac Core i5 3.3 GHz model
  • Two 8 GB modules fill half the four slots

System-specific DDR3L SO-DIMM kit

This 16 GB kit contains two 8 GB unbuffered 204-pin SO-DIMMs that run at DDR3L 1866 (PC3L 14900) with CL13 13-13-13 timing at 1.35 V. Computer Memory Solutions validates the modules for the Apple iMac "Core i5" 3.3 27-Inch (5K, Late 2015) models MK482LL/A, iMac17,1 and A1419.

For 2015 iMac owners only

The sticks are built for the four-slot Late 2015 27-inch iMac that supports a maximum of 32 GB. Buyers who need ECC, registered DIMMs, a different voltage, a different pin count, or who are upgrading any other Mac or PC should look elsewhere.

204-pin DDR3L 1866 CL13 1.35 V SO-DIMM

The single specification that decides fit is the 204-pin DDR3L 1866 CL13 1.35 V SO-DIMM form factor; only systems that accept this exact combination will recognise and run the memory correctly.

How it compares

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

Price $36.99
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 $2.31 per GB
Cheaper than about 92% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

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 3.3 27 in (5K, Late 2015)
In the box
Included items2 Memory RAM Sticks

Questions about this item

Does this kit fit the four SO-DIMM slots in the 2015 27-inch iMac and reach the 32 GB maximum?

Yes, the 2×8 GB modules occupy two of the four slots and the system supports up to 32 GB total.

How much heat and power do these DDR3L 1866 modules add during all-day use?

They run at 1.35 V without a heat spreader, so thermal output and power draw stay low for continuous operation.

Will this memory work without any firmware update on the iMac17,1 running macOS?

The kit is guaranteed compatible with the iMac17,1 (Late 2015) and requires no extra configuration.

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