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Green circuit board with black chips, 260-pin SODIMM memory module

A-Tech

A-Tech 8GB DDR4 2400 SODIMM 260-Pin Memory Upgrade

SKU CH-77EK-SEQJM

An 8 GB DDR4 2400 SODIMM module built for 21.5-inch and 27-inch iMac models from 2017 and 2019

  • Capacity8GB
  • SpeedDDR4 2400 (PC4 19200)
  • Voltage1.20V
  • ECCNo
  • Buffered/RegisteredUnbuffered
  • Rank1Rx8
  • 8 GB capacity lets you run more apps simultaneously
  • DDR4 2400 MHz speed accelerates data transfer for snappier response
  • 260-pin SO-DIMM form factor fits the iMac memory slot exactly
  • Non-ECC unbuffered design matches Apple's factory specification
  • Validated for iMac 21.5-inch 2017/2019 and 27-inch 2017 models

8 GB DDR4 2400 SODIMM for iMac

This A-Tech module delivers 8 GB of DDR4 memory at 2400 MHz in a 260-pin SODIMM form factor. It runs at 1.20 V, is non-ECC and unbuffered, and uses major-brand chips in a 1Rx8 configuration. The kit is designed specifically for compatible Apple iMac systems.

Who it suits and who should look elsewhere

The upgrade fits iMac models identified as iMac18,2, iMac18,3 and iMac19,2, including the 21.5-inch 2017 and 2019 Retina 4K and the 27-inch 2017 Retina 5K units. Builders working on Windows PCs, laptops requiring different pin counts, or anyone needing ECC registered memory should choose a different module.

Deciding specification — DDR4 2400 SODIMM 260-pin

The single detail that determines fit is the DDR4 2400 SODIMM 260-pin interface; only systems accepting this exact specification will recognise the module. Verify your Mac model ID against the supported list before ordering to avoid a mismatch.

Points forts

  • 8 GB capacity lets you run more apps simultaneously
  • DDR4 2400 MHz speed accelerates data transfer for snappier response
  • 260-pin SO-DIMM form factor fits the iMac memory slot exactly
  • Non-ECC unbuffered design matches Apple's factory specification
  • Validated for iMac 21.5-inch 2017/2019 and 27-inch 2017 models

Caractéristiques

BrandA-Tech
SeriesA-Tech DDR4 Apple Mac RAM Memory Upgrades
Capacity8GB
SpeedDDR4 2400 (PC4 19200)
Voltage1.20V
ECCNo
Buffered/RegisteredUnbuffered
Rank1Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemApple Mac Systems
FeaturesMajor Brand Chips

Questions sur cet article

What comes in the box and do I need anything else to install this 260-pin SODIMM?

The box contains one 8GB DDR4 2400MHz SODIMM module. No extra tools or parts are required for installation into a compatible iMac.

Should I choose the 8GB single module or look for a different capacity for my iMac19,2?

This listing is for a single 8GB module. If your iMac has two slots and you want 16GB total, buy two of these modules.

What does the DDR4 2400 PC4-19200 rating mean once the module is running in my Mid 2017 iMac?

The module will operate at 2400MHz with a 1.20V voltage, delivering PC4-19200 bandwidth for faster loading and smoother multitasking.

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