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Eight green DDR4 LRDIMM modules with gold contacts and black chips in a row

A-Tech

A-Tech 1TB Kit (8x128GB) DDR4 2933 ECC LRDIMM for Mac Pro 2019 24/28-Core memory upgrade

SKU CH-2WJ8-65GFR

Eight 128 GB DDR4 2933 ECC LRDIMM modules add 1 TB of registered memory to 2019 Mac Pro 24-core and 28-core tower or rack models

  • Capacity1TB (8 x 128GB)
  • SpeedDDR4 2933 (PC4 23400)
  • Voltage1.20V
  • ECCYes
  • Buffered/RegisteredLoad Reduced
  • ChipsetMajor Brand Chipset
  • 1TB capacity with eight 128GB modules for heavy workloads
  • DDR4 2933MHz PC4-23400 speed matches Mac Pro 2019 spec
  • ECC Load Reduced design protects data integrity under load
  • Built for 24-core and 28-core Xeon W-3275M and W-3265M CPUs
  • 20V low voltage reduces power draw and heat

1TB DDR4 2933 ECC LRDIMM kit for 2019 Mac Pro

This 1TB kit contains eight 128GB DDR4 2933 ECC LRDIMM modules built for the 2019 Mac Pro with 24-core or 28-core Xeon processors. It targets professionals who need maximum memory capacity for heavy workloads such as video editing, 3D rendering and scientific computing on supported Apple workstations.

Load-reduced design runs at 1.20V

The LRDIMM architecture reduces electrical load on the memory controller while operating at the standard 1.20V DDR4 voltage. ECC capability detects and corrects single-bit errors to maintain data integrity during long render jobs or large dataset processing. The registered buffer helps stabilise signal integrity across all eight populated slots.

288-pin LRDIMM form factor fits Mac Pro 7,1 memory

Modules use the 288-pin LRDIMM form factor required by the MacPro7,1 platform (model identifiers A2304 and A1991). Eight-module population fills every available slot, so no further expansion is possible without removing existing sticks. Buyers needing more than 1TB must replace the entire kit rather than add modules.

Points forts

  • 1TB capacity with eight 128GB modules for heavy workloads
  • DDR4 2933MHz PC4-23400 speed matches Mac Pro 2019 spec
  • ECC Load Reduced design protects data integrity under load
  • Built for 24-core and 28-core Xeon W-3275M and W-3265M CPUs
  • 20V low voltage reduces power draw and heat

Caractéristiques

BrandA-Tech
SeriesA-Tech DDR4 Apple Mac RAM Memory Upgrades
Capacity1TB (8 x 128GB)
SpeedDDR4 2933 (PC4 23400)
Voltage1.20V
ECCYes
Buffered/RegisteredLoad Reduced
ChipsetMajor Brand Chipset
Compatible SystemApple Mac Systems
FeaturesMajor Brand Chips

Questions sur cet article

How do I install the eight 128GB LRDIMM modules in my Mac Pro 2019, and what step is commonly missed?

Power down, unplug, open the tower or slide the rack unit, locate the 12 DIMM slots, and populate all eight modules in the Apple-recommended sequence — the step most people skip is matching the exact slot order shown in the Mac Pro memory guide.

What maintenance or replacement will this 1TB DDR4 ECC LRDIMM kit need over time?

No routine maintenance is required; the modules run at 1.20V with major-brand chips and ECC error correction, so replacement is only necessary if a module fails, which is covered by the lifetime warranty.

What limit appears first when this memory runs sustained workloads on a 2.5GHz or 2.7GHz Xeon W processor?

The memory controller on the Xeon W-3275M or W-3265M caps DDR4 speed at 2933 MT/s, so bandwidth ceiling is reached before thermal or voltage limits under continuous load.

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