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

Computer Memory Solutions

Computer Memory Solutions 8GB (2x4GB) DDR3L 1600 CL11 SO-DIMM 1.35V

SKU CH-ZGHW-G0NFQ

8GB dual-channel DDR3L SO-DIMM kit running at 1600 MHz with CL11 latency, validated for the 27-inch iMac Retina 5K (Late 2014)

  • Total capacity8 GB (2 × 4 GB)
  • Rated speedDDR3L 1600 (PC3L 12800)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL11
  • Memory timings11-11-11
  • Rated voltage1.35 V
  • 8GB dual-channel kit boosts multitasking headroom on compatible iMacs
  • DDR3L 1600 CL11 timing delivers responsive system performance
  • Low 1.35 V operation reduces power draw and heat
  • 204-pin SO-DIMM form factor fits Late 2014 27-inch Retina 5K iMac slots
  • Two matched 4 GB modules enable full dual-channel bandwidth

8GB DDR3L SO-DIMM kit for 2014 iMac

This 8GB kit contains two 4GB DDR3L SO-DIMM modules rated at 1600MHz with CL11 timings. It operates at 1.35V and uses the 204-pin form factor required by the specified Apple iMac Retina 5K 27-inch (Late 2014) Core i5/i7 systems.

Suits owners upgrading that specific iMac model

It is built for the Apple iMac Retina 5K 27-inch (Late 2014) Core i5/i7 with four memory slots supporting up to 32GB total. Buyers with different iMac years, smaller screen sizes, or non-Retina models should verify their exact model identifier before purchasing.

Simple slot installation with one common risk

Installation requires opening the iMac memory compartment and inserting both sticks into the available SO-DIMM slots. The most frequent issue is mixing these modules with existing 1.5V DDR3 sticks, which can prevent the system from booting or cause instability.

How it compares

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

Price $71.99
Cheaper than about 72% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB (2 × 4 GB)
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $9.00 per GB
Typical for this category: the median of 20,941 items is $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 nameCM5126412800SOSRL
Total capacity8 GB (2 × 4 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 rank1Rx8
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

Does my iMac need four free SO-DIMM slots to use this 2x4GB kit?

The Late 2014 27-inch iMac has four slots and supports up to 32 GB, so the two modules can be installed alongside any existing memory.

Will these 1.35 V DDR3L sticks run correctly in a system that originally shipped with 1.5 V DDR3?

Yes — DDR3L is backward compatible with 1.5 V slots and will operate at the standard DDR3 voltage when installed in the compatible iMac.

How can I verify the kit is running at 1600 MHz CL11 after installation?

Open About This Mac → System Report → Memory; each slot should show 4 GB, 1600 MHz, DDR3, and the part number CM5126412800SOSRL.

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