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Eight green DDR4 LRDIMM sticks with gold contacts in a row

A-Tech

A-Tech 512GB Kit (8x64GB) DDR4 2933MHz ECC LRDIMM Memory Upgrade for Apple Mac Pro (2019)

SKU CH-HQD4-100NN

512GB DDR4 2933MHz ECC LRDIMM kit with eight 64GB modules for 2019 Mac Pro 12, 16, 24 and 28-core models

  • Total capacity512 GB (8 × 64 GB)
  • Rated speedDDR4 2933 (PC4 23400)
  • ChipsetMajor Brand Chipset
  • Rated voltage1.2 V
  • Buffer typeLoad Reduced
  • Compatible systemsApple Mac Systems
  • 512GB total capacity with eight 64GB modules for heavy workloads
  • DDR4 2933MHz PC4-23400 speed for fast data throughput
  • ECC Load Reduced DIMM technology enhances data integrity
  • Designed for Mac Pro 2019 tower and rack models
  • 20V low-voltage operation reduces power draw

Mac Pro (2019) 512GB ECC LRDIMM Kit

This 512GB kit contains eight 64GB DDR4 2933MHz ECC LRDIMM modules built for the Apple Mac Pro (2019) in 12, 16, 24 and 28-core configurations. It targets professional workstations that need maximum registered memory capacity for virtualisation, rendering or large dataset workloads.

Installing eight LRDIMM modules in the Mac Pro

Installation follows Apple's published slot-population rules; the modules are keyed 288-pin LRDIMMs so they only seat one way. The most common issue is mixing LRDIMMs with standard RDIMMs or leaving gaps in the required channel order, which prevents the system from booting.

Sustained load behaviour with 4Rx4 organisation

The 4Rx4 organisation and load-reduced buffering keep electrical loading low on the memory controller during extended multi-threaded tasks. ECC corrects single-bit errors in real time, maintaining data integrity across long compute sessions without the throughput dips seen on unbuffered configurations.

How it compares

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

Price $2,655.99
Pricier than about 72% of the 21,161 comparable items (median $397.99).
Total capacity 512 GB (8 × 64 GB)
Higher than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $5.19 per GB
Cheaper than about 74% 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 capacity512 GB (8 × 64 GB)
Performance
Rated speedDDR4 2933 (PC4 23400)
Processor
ChipsetMajor Brand Chipset
Memory
ECC supportYes
Buffer typeLoad Reduced
Power
Rated voltage1.2 V
Compatibility
Compatible systemsApple Mac Systems

Questions about this item

How can I confirm the 512GB kit is recognised at 2933MHz after installation?

Open About This Mac and check the Memory tab; it should show 512GB DDR4 2933MHz across all eight slots

What comes in the box and do I need any extra parts?

Eight 64GB DDR4 2933MHz ECC LRDIMM modules are included; no additional components are required for the Mac Pro 2019

Which capacity should I choose for a 28-Core Xeon W-3275M configuration?

The 512GB (8x64GB) kit fully populates the Mac Pro 2019 memory slots and matches the 2.5GHz Xeon W-3275M specification

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