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Four green DDR4 RDIMM modules with black chips and gold contacts

A-Tech

A-Tech 32GB (4x8GB) DDR4 2933 ECC RDIMM Mac Pro 2019 memory upgrade

SKU CH-DGYD-BDR9X

32 GB DDR4 2933 ECC RDIMM kit for 2019 Mac Pro 12, 16, 24 and 28-core models

  • Total capacity32 GB (4 × 8 GB)
  • Rated speedDDR4 2933 (PC4 23400)
  • ChipsetMajor Brand Chipset
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Compatible systemsApple Mac Systems
  • 32 GB capacity in four 8 GB modules lets you run large workloads
  • DDR4 2933 MHz speed matches Mac Pro 2019 specifications
  • ECC registered design protects data integrity for professional tasks
  • 20 V operation keeps power draw low in dense configurations
  • Compatible with 12, 16, 24 and 28 core Xeon Mac Pro models

Mac Pro 2019 memory upgrade

This 32GB kit contains four 8GB DDR4 2933 ECC RDIMM modules built for the 2019 Mac Pro tower and rack models. It supports the 12, 16, 24 and 28-core Xeon configurations listed by Apple. The registered design with ECC protects data integrity in professional workloads.

Thermals noise and power draw

Each module runs at the standard 1.20V DDR4 voltage, keeping power draw low inside the Mac Pro enclosure. The registered buffer reduces electrical loading on the memory controller during normal operation. No moving parts means silent operation at all times.

Sustained load behaviour

ECC registered architecture maintains stability when all memory channels are fully populated under continuous workloads. The 2933 MHz speed matches the Mac Pro memory controller specification for consistent throughput. Four 8GB modules fill half the available slots for balanced channel population.

How it compares

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

Price $320.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 32 GB (4 × 8 GB)
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $10.03 per GB
Typical for this category: the median of 20,941 items is $8.19 per GB.

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Specifications

Product
Brand nameA-Tech
Product lineA-Tech DDR4 Apple Mac RAM Memory Upgrades
Total capacity32 GB (4 × 8 GB)
Performance
Rated speedDDR4 2933 (PC4 23400)
Processor
ChipsetMajor Brand Chipset
Memory
ECC supportYes
Buffer typeRegistered
Power
Rated voltage1.2 V
Compatibility
Compatible systemsApple Mac Systems

Questions about this item

How do I install the four 8 GB DDR4 2933 ECC RDIMM modules in the Mac Pro 2019, and which step do people most often get wrong?

Power down, open the enclosure, release the memory cover, then insert each 288‑pin module into the correct slot until the ejectors click. The common mistake is not seating all four modules fully so the ejectors do not lock.

What maintenance or replacement will the 32 GB DDR4 2933 ECC RDIMM kit need later?

No scheduled maintenance is required. If a module fails, replace the faulty 8 GB stick with an identical DDR4 2933 ECC RDIMM unit; the lifetime warranty covers defects.

What limit appears first on the 32 GB DDR4 2933 ECC RDIMM kit under sustained heavy workloads?

The memory controller caps speed at 2933 MHz, so sustained throughput cannot exceed the PC4‑23400 bandwidth ceiling.

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