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Twelve green DDR5 RDIMM sticks in a row

NEMIX RAM

NEMIX RAM 768GB 12x64GB DDR5 4800 ECC RDIMM ASUS K14PA-U12 memory upgrade

SKU CH-6XY5-KYXRZ

12-module 768 GB DDR5-4800 ECC RDIMM kit for ASUS K14PA-U12 EPYC 9004 servers

  • Total capacity768 GB (12 × 64 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • Massive 768GB capacity from twelve 64GB modules
  • DDR5 4800 speed delivers high server bandwidth
  • ECC registered design protects data integrity
  • Validated for ASUS K14PA-U12 with 128-core EPYC 9004
  • Low 1.10V operation reduces power draw

768GB DDR5 4800 ECC RDIMM kit

This 768GB kit contains twelve 64GB DDR5 4800 registered DIMMs built for the ASUS K14PA-U12 server motherboard. It targets IT teams deploying 128-core AMD EPYC 9004 platforms that require registered ECC memory for data-integrity workloads.

Twelve 64GB modules at CL40 1.1V

The kit delivers 768GB total capacity across all twelve slots, running at PC5-38400 speed with 2Rx4 organisation. Registered buffering and on-die ECC maintain stability under sustained load, while the 1.1V operating voltage matches the platform specification.

Validated ASUS K14PA-U12 configuration

Modules are stress-tested as a matched 12-DIMM set for the target motherboard, reducing the risk of mixed-rank or timing mismatches. The package supplies the full 768GB population in one shipment, eliminating the need to source individual sticks separately.

How it compares

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

Price $19,527.99
Pricier than about 91% of the 21,161 comparable items (median $397.99).
Total capacity 768 GB (12 × 64 GB)
Higher than about 92% of the 20,941 comparable items (median 32 GB).
Price per GB $25.43 per GB
Pricier than about 70% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineASUS Server Motherboard Compatible Series Memory
Model nameASUS DDR5 4800 MHz ECC RDIMM Registered Server Memory
Part numberMR38400-924K12
Total capacity768 GB (12 × 64 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank2Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsASUS
In the box
Included items768 GB (12 × 64 GB) DDR5 4800 MHz PC5-38400 2Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

Will the 12x64GB DDR5 4800 ECC RDIMM kit work with existing DDR5 modules in the ASUS K14PA-U12?

This kit is validated for the ASUS K14PA-U12 motherboard supporting 128 core AMD EPYC 9004 processors; mixing with other DDR5 modules is not tested by the manufacturer and may affect stability.

How can I verify the 12x64GB DDR5 4800 ECC RDIMM kit is running correctly after installation?

The system BIOS will report 768GB total capacity at DDR5 4800 speed with CL40 latency and 1.10V voltage; ECC status should show as active and registered mode confirmed.

What is included in the 12x64GB DDR5 4800 ECC RDIMM kit and what must be purchased separately?

The package contains twelve 64GB 288-pin DDR5 4800 ECC RDIMM modules (2Rx4, 1.10V, CL40) for a total of 768GB; no additional memory components are required for a full configuration.

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