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Twelve green DDR4 RDIMM modules in a row

A-Tech

A-Tech 96GB (12x8GB) DDR4 2666 ECC RDIMM Mac Pro 2019 memory upgrade

SKU CH-6QA4-JY948

A 96GB kit of twelve 8GB DDR4 2666 ECC registered DIMMs built for the 2019 Mac Pro tower and rack models

  • Total capacity96 GB (12 × 8 GB)
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor Brand Chipset
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Compatible systemsApple Mac Systems
  • 96GB total capacity across twelve 8GB modules
  • DDR4 2666/2667MHz speed rated PC4-21300
  • ECC Registered RDIMM with 288-pin form factor
  • Designed for Apple Mac Pro 2019 MacPro7,1
  • Major brand chipset with 1.20V operating voltage

Purpose-built Mac Pro memory kit

This 96GB kit contains twelve 8GB DDR4 2666 ECC registered DIMMs built for the 2019 Mac Pro tower and rack models. The modules run at 1.20V and carry the Apple model IDs MacPro7,1 and order numbers A2304 (EMC 3413) and A1991 (EMC 3203). They are validated for the 3.5GHz Xeon W-3223 8-core processor.

Who should buy and who should not

Creative professionals and developers who need the full 12-slot capacity for large datasets, virtual machines or 8K timelines will use every module. Buyers whose Mac Pro has fewer than twelve free slots, or who only need a modest capacity increase, should look at a smaller kit instead.

The specification that decides fit

The kit uses 288-pin DDR4 RDIMMs with ECC registered operation at 2666/2667 MHz (PC4-21300). If your 2019 Mac Pro requires registered ECC modules at this speed and pin count, the memory will install and run; if the system expects unbuffered or non-ECC DIMMs, it will not work.

How it compares

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

Price $604.99
Pricier than about 54% of the 21,161 comparable items (median $397.99).
Total capacity 96 GB (12 × 8 GB)
Higher than about 65% of the 20,941 comparable items (median 32 GB).
Price per GB $6.30 per GB
Cheaper than about 62% of the 20,941 comparable items (median $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 (12 × 8 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

Does the 96GB kit arrive as twelve 8GB modules or do I need to buy extra sticks?

The kit contains twelve 8GB RDIMMs, giving 96GB total with nothing extra to purchase.

Why choose the 12×8GB 96GB kit instead of a smaller capacity?

It fills all twelve slots on the Mac Pro 2019, delivering the maximum 96GB supported by the 3.5GHz Xeon W-3223.

Will the DDR4 2666 speed run at the rated 2666MHz once installed in the Mac Pro?

Yes, the modules operate at DDR4 2666/2667MHz (PC4-21300) at the standard 1.20V on the MacPro7,1.

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