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Two green DDR4 ECC RDIMM sticks without heat spreaders

A-Tech

A-Tech 16GB Kit (2x8GB) DDR4 2666MHz ECC RDIMM for iMac Pro (Late 2017) memory upgrade

SKU CH-Q07Y-1Q6PY

A 16GB DDR4 2666MHz ECC registered RDIMM kit for upgrading the 27-inch iMac Pro (Late 2017)

  • Capacity16GB (2 x 8GB)
  • SpeedDDR4 2666 (PC4 21300)
  • Voltage1.20V
  • ECCYes
  • Buffered/RegisteredRegistered
  • Rank1Rx8
  • 16 GB kit speeds up multitasking on iMac Pro
  • DDR4 2666 MHz PC4-21300 matches factory spec
  • ECC registered RDIMM protects data integrity
  • 288-pin 1Rx8 modules install in late 2017 model
  • Lifetime warranty with US-based technical support

Apple iMac Pro 2017 memory kit

This 16 GB kit contains two 8 GB DDR4 2666 MHz ECC registered DIMMs built for the iMac Pro (Late 2017). It matches the factory PC4-21300 speed and 1.20 V voltage required by the system. The modules use major-brand chips and a 1Rx8 rank layout for stable operation.

Suits owners of the 27-inch Retina 5K iMac Pro 2017

Buyers with the Apple model ID iMacPro1,1 or order number MQ2Y2LL/A can install these DIMMs directly. The kit is not for users of standard iMac models, Mac Pro towers, or any non-Apple desktop that requires unbuffered UDIMM memory instead of registered ECC modules.

ECC registered DDR4 2666 MHz RDIMM specification

The registered ECC design with 288-pin RDIMM form factor is the single specification that decides compatibility. Only systems that explicitly support DDR4 ECC registered memory at this speed will accept the kit; standard consumer boards cannot use these modules.

Points forts

  • 16 GB kit speeds up multitasking on iMac Pro
  • DDR4 2666 MHz PC4-21300 matches factory spec
  • ECC registered RDIMM protects data integrity
  • 288-pin 1Rx8 modules install in late 2017 model
  • Lifetime warranty with US-based technical support

Caractéristiques

BrandA-Tech
SeriesA-Tech DDR4 Apple Mac RAM Memory Upgrades
Capacity16GB (2 x 8GB)
SpeedDDR4 2666 (PC4 21300)
Voltage1.20V
ECCYes
Buffered/RegisteredRegistered
Rank1Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemApple Mac Systems
FeaturesMajor Brand Chips

Questions sur cet article

Is the 16GB kit (2x8GB) the right capacity for my iMac Pro Late 2017 upgrade?

The kit provides 16GB total across two 8GB modules, matching the DDR4 2666MHz ECC RDIMM specification required by the iMac Pro (Late 2017) with model ID iMacPro1,1.

What does the 2666MHz speed mean for actual performance in the iMac Pro?

The modules run at DDR4 2666/2667 MHz (PC4-21300) with 1.20V voltage, delivering the exact speed and registered ECC architecture the iMac Pro's memory controller expects.

Will the 288-pin RDIMM interface work with my iMac Pro's memory slots?

Yes, the 288-pin DDR4 RDIMM form factor is the correct physical and electrical interface for the iMac Pro (Late 2017), supporting ECC registered operation with 1Rx8 rank configuration.

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