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Four green DDR4 RDIMM modules with black heat spreaders and gold contacts

A-Tech

A-Tech 128GB Kit (4x32GB) DDR4 2933 ECC RDIMM Mac Pro 2019 memory upgrade

SKU CH-934F-1T6HD

128GB DDR4 2933 ECC registered kit (four 32GB modules) for 2019 Mac Pro tower and rack models with 12, 16, 24 or 28-core Xeon CPUs

  • Capacity128GB (4 x 32GB)
  • SpeedDDR4 2933 (PC4 23400)
  • Voltage1.20V
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor Brand Chipset
  • 128 GB total capacity across four 32 GB modules
  • DDR4 2933 MHz speed for fast data throughput
  • ECC registered design protects data integrity
  • Qualified for Mac Pro 2019 tower and rack models
  • 20 V operation reduces power draw

Mac Pro 2019 memory upgrade

This 128GB kit contains four 32GB DDR4 2933 ECC RDIMM modules built for Apple Mac Pro 2019 models with 12, 16, 24 or 28-core Xeon processors. The registered DIMMs operate at 1.20V and use major-brand chips validated for MacPro7,1 systems including A1991 and A2304 model numbers.

Who should choose this kit

Workstation users who need maximum supported memory for rendering, virtualization or large dataset workloads on a 2019 Mac Pro Tower or Rack will benefit from the full four-slot population. Buyers with Mac Pro models outside the 2019 lineup or systems that require unbuffered UDIMM memory cannot use these registered modules.

ECC RDIMM 288-pin requirement

Each module is a 2Rx4 DDR4 2933 (PC4-23400) registered DIMM with 288 pins and ECC error correction. The Mac Pro 2019 memory controller requires this exact registered ECC specification; non-ECC or unbuffered DIMMs will not function in these systems.

Puntos fuertes

  • 128 GB total capacity across four 32 GB modules
  • DDR4 2933 MHz speed for fast data throughput
  • ECC registered design protects data integrity
  • Qualified for Mac Pro 2019 tower and rack models
  • 20 V operation reduces power draw

Especificaciones

BrandA-Tech
SeriesA-Tech DDR4 Apple Mac RAM Memory Upgrades
Capacity128GB (4 x 32GB)
SpeedDDR4 2933 (PC4 23400)
Voltage1.20V
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor Brand Chipset
Compatible SystemApple Mac Systems
FeaturesMajor Brand Chips

Preguntas sobre este artículo

Will the 288-pin RDIMM modules fit the Mac Pro 2019 memory slots?

Yes, the 288-pin DDR4 RDIMM form factor matches the Mac Pro 2019 (MacPro7,1) memory slots exactly.

What is the correct order to install the four 32 GB modules?

Populate the DIMM slots in the sequence shown in the Mac Pro memory guide — fill the first channel pair before adding the second pair.

When should the ECC registered memory be replaced?

ECC registered DDR4 modules have no scheduled replacement interval; they are replaced only if diagnostics report correctable errors or a module fails.

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