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Two green DDR3L SODIMM sticks with black chips, no heat spreader

Computer Memory Solutions

Computer Memory Solutions 8GB (2x4GB) DDR3L 1600 CL11 SODIMM for iMac 27 2013

SKU CH-XVJV-HM0QV

8GB kit of two 4GB DDR3L 1600 CL11 SODIMM modules at 1.35V for the 27-inch Late 2013 iMac

  • 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 kit upgrades late 2013 iMac 27 to 32GB max
  • DDR3L 1600 CL11 1.35V matches Apple ME089LL/A spec
  • Two 4GB 204-pin SODIMM sticks install in paired slots
  • Major-brand chips with lifetime warranty from CMS
  • Unbuffered non-ECC 1Rx8 design ensures stable operation

System-specific kit for 2013 iMac

This 8 GB kit (2 × 4 GB) is built for the 27-inch Late 2013 iMac with a 3.4 GHz Core i5 (model ME089LL/A, iMac14,2). It uses 204-pin DDR3L SODIMM modules running at 1600 MHz with CL11 timing and 1.35 V unbuffered, non-ECC operation.

Capacity and headroom

The iMac accepts up to 32 GB across four slots; this kit fills two slots with 8 GB total. It handles everyday macOS workloads and moderate multitasking, but memory-intensive tasks such as large video timelines or virtual machines will exhaust the 8 GB ceiling.

DDR3L 1600 interface limits

The DDR3L 1600 (PC3L 12800) interface caps bandwidth at the JEDEC 1600 MT/s rate. Modules are single-rank 1Rx8 with 11-11-11 timings and no heat spreader, so sustained heavy loads run at standard voltage without extra cooling headroom.

How it compares

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

Price $70.99
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 $8.87 per GB
Typical for this category: the median of 20,941 items is $8.19 per GB.

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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 "Core I5 in 3.4 27 in (Late 2013) Me089Ll/A
In the box
Included items2 Memory RAM Sticks

Questions about this item

Will these 204-pin DDR3L 1600 modules work with the four slots in my Late 2013 iMac 27-inch?

Yes, the kit is validated for the iMac14,2 with four SODIMM sockets supporting up to 32 GB total.

How can I confirm the 1.35 V CL11 sticks are running at the correct speed after installation?

Open System Report in macOS and check that each 4 GB module shows 1600 MHz DDR3L at 1.35 V.

Does the package include only the two 4 GB SODIMMs or are tools and guides also supplied?

The box contains two memory sticks; no tools or printed guides are included.

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