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Six green DDR4 RDIMM sticks, black chips, gold contacts

A-Tech

A-Tech 192GB Kit (6x32GB) DDR4 2666 ECC RDIMM 288-Pin Memory Upgrade for Mac Pro 2019

SKU CH-HAAH-MFJKD

A 192GB DDR4 2666 ECC registered memory kit of six 32GB modules built for the 2019 Mac Pro tower and rack models

  • Capacity192GB (6 x 32GB)
  • SpeedDDR4 2666 (PC4 21300)
  • Voltage1.20V
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor Brand Chipset
  • 192GB total capacity with six 32GB modules
  • DDR4 2666 speed rated at PC4-21300
  • ECC registered design protects data integrity
  • Certified for Mac Pro 2019 tower and rack models
  • 20V low-voltage operation reduces power draw

Mac Pro 2019 192GB Kit

This 192GB kit contains six 32GB DDR4 2666 ECC RDIMM modules built for the 2019 Mac Pro tower and rack models. It targets professionals who need maximum memory capacity for virtualisation, large datasets or heavy creative workloads on Apple hardware.

Sustained ECC Registered Stability

Registered buffering and ECC correction keep data integrity intact during long render jobs, scientific calculations or server-style workloads. The 1.20V operating voltage and 2Rx4 organisation support consistent throughput without the errors that can accumulate in non-ECC memory under load.

288-Pin RDIMM Build Quality

Each module uses major-brand chips on a 288-pin registered DIMM PCB validated for MacPro7,1 (A2304/EMC 3413 and A1991/EMC 3203). The RDIMM form factor fits only systems designed for registered memory; it will not work in consumer desktops or laptops that require unbuffered UDIMMs.

Points forts

  • 192GB total capacity with six 32GB modules
  • DDR4 2666 speed rated at PC4-21300
  • ECC registered design protects data integrity
  • Certified for Mac Pro 2019 tower and rack models
  • 20V low-voltage operation reduces power draw

Caractéristiques

BrandA-Tech
SeriesA-Tech DDR4 Apple Mac RAM Memory Upgrades
Capacity192GB (6 x 32GB)
SpeedDDR4 2666 (PC4 21300)
Voltage1.20V
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor Brand Chipset
Compatible SystemApple Mac Systems
FeaturesMajor Brand Chips

Questions sur cet article

How much power does the 1.20V DDR4 2666 kit draw under sustained load?

Each module operates at 1.20V; total system draw depends on the Mac Pro's memory controller and workload.

Does the Mac Pro 2019 require any specific firmware or macOS version to recognise 6x32GB ECC RDIMMs?

The modules are qualified for MacPro7,1 (A2304/EMC 3413 and A1991/EMC 3203) running supported macOS releases.

Can I mix these 2Rx4 registered modules with any existing 1Rx8 or 2Rx8 sticks in the same Mac Pro?

Apple's memory guidelines for MacPro7,1 recommend identical rank and registered configuration across all slots.

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