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Four green circuit boards with black chips, 260-pin SODIMM modules

A-Tech

A-Tech 64GB Kit (4x16GB) DDR4 2400MHz SODIMM 260-Pin Memory Upgrade for Apple iMac 27-inch Mid 2017

SKU CH-KVR1-0ZK38

A 64 GB kit of four 16 GB DDR4 2400 MHz SODIMM modules built for the 27-inch iMac from Mid 2017

  • Total capacity64 GB (4 × 16 GB)
  • Rated speedDDR4 2400 (PC4 19200)
  • ChipsetMajor Brand Chipset
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Memory rank2Rx8
  • 64GB total capacity enables heavy multitasking with four 16GB modules
  • DDR4 2400MHz speed rated at PC4-19200 for fast data throughput
  • 260-pin SODIMM form factor fits the iMac 27-inch Mid 2017 slot exactly
  • Non-ECC unbuffered 2Rx8 design matches Apple model iMac18,3 requirements
  • 20V low-voltage operation reduces power draw and heat output

64 GB DDR4 2400 MHz SODIMM kit for iMac 27-inch

This 64 GB kit contains four 16 GB DDR4 2400 MHz SODIMM modules built for the Apple iMac 27-inch Mid 2017. It runs at 1.20 V, uses unbuffered non-ECC 2Rx8 chips, and fits the 260-pin SO-DIMM slots. The kit matches Apple order numbers MNE92LL/A, MNEA2LL/A and MNED2LL/A and model ID iMac18,3.

Who this suits and who should look elsewhere

This upgrade suits owners of the listed 2017 iMac who want the maximum 64 GB capacity for heavy multitasking, large media projects or virtual machines. It is not for users of earlier or later iMac models, for systems that require ECC or registered memory, or for anyone needing a different speed or form factor.

The spec that decides fit

The decisive spec is the DDR4 2400 MHz 260-pin SO-DIMM form factor combined with the exact model ID iMac18,3; only systems matching that ID and slot type will accept this kit.

How it compares

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

Price $291.99
Cheaper than about 55% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB (4 × 16 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $4.56 per GB
Cheaper than about 81% 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 nameA-Tech
Product lineA-Tech DDR4 Apple Mac RAM Memory Upgrades
Total capacity64 GB (4 × 16 GB)
Performance
Rated speedDDR4 2400 (PC4 19200)
Processor
ChipsetMajor Brand Chipset
Memory
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsApple Mac Systems

Questions about this item

Does this 64GB kit of four 16GB DDR4 2400 SODIMM modules fill all four slots on the 27-inch iMac from 2017?

Yes, the kit provides four 260-pin modules that occupy every slot in the iMac18,3 (A1419 EMC 3070) for a total of 64GB.

Can I keep any of the original memory installed alongside this DDR4 2400 PC4-19200 kit?

No, the iMac18,3 has only four SODIMM slots, so the four 16GB modules in this kit replace any existing memory.

How can I confirm the iMac recognises the full 64GB at 2400MHz after installation?

Open About This Mac or System Report; it should show 64GB DDR4 at 2400MHz across all four slots.

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