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Four green 204-pin DDR3L SO-DIMM sticks in anti-static tray

Computer Memory Solutions

Computer Memory Solutions CM10246412800SODRL 32GB (4 x 8GB) DDR3L 1600 memory upgrade

SKU CH-R57D-GQNZD

32GB kit of four 8GB DDR3L 1600 SO-DIMM modules for the 27-inch 2012 iMac with a 2.9 Core i5

  • Total capacity32 GB (4 × 8 GB)
  • Rated speedDDR3L 1600 (PC3L 12800)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL11
  • Memory timings11-11-11
  • Rated voltage1.35 V
  • 32 GB kit expands iMac memory to maximum supported capacity
  • DDR3L 1600 speed matches Apple late 2012 specification exactly
  • 35 V low-voltage modules reduce power draw and heat
  • Four 8 GB sticks fill all 204-pin slots for dual-channel performance
  • CL11 11-11-11 timings deliver responsive multitasking for Core i5 2.9 GHz system

CMS 32GB DDR3L kit for 27-inch iMac

This 32GB kit contains four 8GB DDR3L 1600 SO-DIMM modules built to 1.35V with CL11 timing. It is designed as a direct memory upgrade for the Apple iMac "Core i5" 2.9 27-Inch (Late 2012) that uses 204-pin slots.

Suits owners of the specified Late 2012 iMac

The kit fills all four slots to reach the 32GB limit for that model. Buyers with other Macs, PCs, or systems requiring ECC, registered modules, or a different DDR generation should look elsewhere.

Four 8GB modules deliver the full 32GB capacity

The 1600MHz speed and CL11 latency match the original specification for comfortable multitasking and large-file workflows. Headroom ends at 32GB because the platform does not support more memory.

How it compares

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

Price $78.99
Cheaper than about 70% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB (4 × 8 GB)
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $2.47 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 capacity32 GB (4 × 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 "Core I5 in 2.9 27 in (Late 2012)
In the box
Included items4 Memory RAM Sticks

Questions about this item

My iMac has four SO-DIMM slots — does this 32 GB kit fill all of them?

Yes, the kit contains four 8 GB modules for a total of 32 GB, matching the four 204-pin slots in the Late 2012 27-inch iMac.

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

The modules are DDR3L rated at 1.35 V and 1600 MHz; the Late 2012 iMac's memory controller supports this voltage, so they operate at the specified CL11 11-11-11 timings.

After installing the four sticks, how can I verify the Mac recognises the full 32 GB at 1600 MHz?

Open About This Mac → System Report → Memory; you should see four 8 GB DDR3 SO-DIMMs running at 1600 MHz for a total of 32 GB.

More in Model-Specific Memory Upgrades

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