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Four green DDR3L SODIMM sticks with black chips

Computer Memory Solutions

Computer Memory Solutions 32GB (4x8GB) DDR3L 1866 PC3L-14900 CL13 1.35V SODIMM memory upgrade

SKU CH-YD9S-VWR89

A 32 GB kit of four 8 GB DDR3L 1866 SO-DIMM modules built for the 27-inch 5K iMac from late 2015

  • Total capacity32 GB (4 × 8 GB)
  • Rated speedDDR3L 1866 (PC3L 14900)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL13
  • Memory timings13-13-13
  • Rated voltage1.35 V
  • 32 GB total capacity for heavy multitasking
  • 1866 MHz DDR3L speed for responsive performance
  • 35 V low voltage reduces power draw
  • 4 x 8 GB kit fills all four slots
  • Tested compatible with 27-inch 5K iMac (Late 2015)

Targeted iMac Memory Kit

This 32 GB kit contains four 8 GB DDR3L SODIMM modules rated at 1866 MHz with CL13 timings. It is built for the Apple iMac "Core i5" 3.2 27-Inch (5K, Late 2015) model MK462LL/A. The unbuffered, non-ECC sticks operate at 1.35 V and use major-brand components. Buyers who need more than 32 GB or who own a different iMac year cannot use this kit.

Critical Speed and Voltage Match

The modules run at PC3L-14900 (1866 MHz) and require 1.35 V DDR3L operation. The iMac17,1 platform expects this exact speed and voltage; faster DDR3 or standard 1.5 V DDR3 will not be accepted by the firmware. Verify that your system identifier is iMac17,1 and that the board revision is A1419 before ordering.

Straightforward Slot Installation

The iMac provides four accessible SO-DIMM slots, so all four sticks install without tools after removing the memory access door. The 204-pin notch aligns in one direction only; forcing a module backwards can damage the socket. A common error is seating only one side of the stick — press firmly until the side clips click. No firmware update is required.

How it compares

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

Price $77.99
Cheaper than about 71% 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 $2.44 per GB
Cheaper than about 92% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM10246414900SODRL
Total capacity32 GB (4 × 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 3.2 27 in (5K, Late 2015) Mk462Ll/A
In the box
Included items4 Memory RAM Sticks

Questions about this item

What does the 32 GB capacity mean once the kit is installed in the iMac?

The four 8 GB modules fill all four SO-DIMM slots, giving the system 32 GB of DDR3L 1866 memory and leaving room to reach the 64 GB maximum later.

How does the PC3L-14900 1866 MHz rating limit real-world throughput?

The modules run at 1866 MT/s with CL13 timing at 1.35 V, so peak bandwidth is capped by the DDR3L 1866 JEDEC specification.

Will the 204-pin SO-DIMM sticks fit the 27-inch 5K iMac from late 2015?

Yes, the kit is built for the iMac 27-inch 5K late 2015 (MK462LL/A, iMac17,1) which uses four 204-pin DDR3L SO-DIMM slots.

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