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

Computer Memory Solutions

Computer Memory Solutions 16GB (2x8GB) DDR3L 1600 SO-DIMM iMac 27 2014

SKU CH-2V7C-PDP84

16 GB DDR3L kit (2 × 8 GB) running at 1600 MHz with CL11 timing for the 27-inch iMac Retina 5K (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 kit upgrades late-2014 iMac 27 to maximum 32 GB capacity
  • 1600 MHz DDR3L modules match factory speed for stable operation
  • 35 V low-voltage design reduces heat and power draw
  • CL11 11-11-11 timings deliver responsive multitasking performance
  • 204-pin SO-DIMM form factor fits both memory slots directly

16GB DDR3L Kit for 27-Inch 2014 iMac

This 16GB kit contains two 8GB SO-DIMM modules built for the Apple iMac Retina 5K 27-inch (Late 2014) with Core i5 or i7 processors. It uses 204-pin DDR3L memory running at 1600 MHz with CL11 timing. The kit is designed for owners of that specific iMac model who need to reach the system's 32GB maximum capacity.

DDR3L 1600 Speed and Voltage Limits

The modules operate at the DDR3L 1600 (PC3L 12800) standard with a 1.35V voltage requirement. This speed and voltage combination is fixed by the iMac's memory controller; the memory will not run faster or at a higher voltage in this system. The iMac has four SO-DIMM sockets and supports up to 32GB total, so this half-populated kit leaves two slots open for future expansion.

Unbuffered Non-ECC Modules Without Heat Spreaders

These are unbuffered, non-ECC sticks using a major brand chipset in a 2Rx8 configuration. They lack heat spreaders, keeping the profile low for the tight SO-DIMM slots inside the 27-inch iMac enclosure. The 204-pin edge connector matches the factory socket exactly, allowing a straightforward installation without clearance issues.

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 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) Core I5/I7
In the box
Included items2 Memory RAM Sticks

Questions about this item

Should I buy the 16GB kit or add single modules to reach 32GB?

The kit provides 16GB as two matched 8GB modules; the iMac supports up to 32GB across four slots, so adding another identical kit fills the remaining sockets with the same 1.35V DDR3L 1600 CL11 specification.

Will 1600MHz CL11 actually run at that speed in my Late 2014 iMac?

The Mac firmware sets memory to 1600MHz at 1.35V; these modules are rated 1600 CL11 11-11-11, so they operate at the advertised frequency without manual tuning.

Does the 204-pin DDR3L SO-DIMM interface limit total capacity or voltage?

Each 204-pin SO-DIMM runs at 1.35V DDR3L; the iMac accepts four such modules for a 32GB maximum, and the unbuffered 2Rx8 design works within that electrical and physical limit.

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