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Six green DDR4 RDIMM modules with gold contacts and black chips

A-Tech

A-Tech 96GB (6x16GB) DDR4 2666 ECC RDIMM Mac Pro 2019 memory upgrade

SKU CH-BJZH-WBNQJ

Six 16 GB DDR4 2666 ECC registered DIMMs add 96 GB to a 2019 Mac Pro tower or rack model

  • Total capacity96 GB (6 × 16 GB)
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor Brand Chipset
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Compatible systemsApple Mac Systems
  • 96GB total capacity handles heavy workloads with 6 x 16GB modules
  • DDR4 2666 speed matches Mac Pro 2019 specifications
  • ECC registered design protects data integrity in professional tasks
  • 288-pin RDIMM form factor fits Apple Mac Pro tower and rack models
  • Lifetime warranty and US-based tech support included with purchase

Mac Pro 2019 DDR4 ECC Upgrade

This 96 GB kit contains six 16 GB DDR4 2666 ECC RDIMM modules built for the 2019 Mac Pro 8-Core tower and rack models. It targets creative professionals and developers who need maximum registered memory capacity for virtualisation, large media projects or scientific workloads on Apple hardware.

288-Pin RDIMM 1.20 V Integration

Each module uses the 288-pin RDIMM form factor and runs at 1.20 V, matching the Mac Pro memory slot specification. The registered design adds electrical buffering that the system requires, so the kit installs directly into the six available slots without adapters or configuration changes.

Sustained 2666 MHz Registered Operation

Under continuous load the ECC registered chips maintain 2666 MHz throughput while correcting single-bit errors in real time. The 2Rx8 organisation and major-brand components keep latency stable during long renders, compile jobs or database operations, avoiding the throttling that can appear with unbuffered alternatives.

How it compares

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

Price $905.99
Pricier than about 60% of the 21,161 comparable items (median $397.99).
Total capacity 96 GB (6 × 16 GB)
Higher than about 65% of the 20,941 comparable items (median 32 GB).
Price per GB $9.44 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 capacity96 GB (6 × 16 GB)
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetMajor Brand Chipset
Memory
ECC supportYes
Buffer typeRegistered
Power
Rated voltage1.2 V
Compatibility
Compatible systemsApple Mac Systems

Questions about this item

How much capacity does the 96GB kit add across the six 16GB modules?

The kit provides 96GB total, delivered as six 16GB RDIMM modules for the Mac Pro 2019.

What voltage and registered design do the DDR4 2666 ECC RDIMMs use during continuous operation?

Each module runs at 1.20V and uses a registered ECC design to maintain signal integrity under sustained load.

Which Mac Pro model identifiers must the system report for this 6x16GB kit to be recognised?

The memory is validated for MacPro7,1 with Apple model numbers A2304 (EMC 3413) and A1991 (EMC 3203).

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