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Two green DDR5 RDIMM modules with black chips, no heat spreader

NEMIX RAM

NEMIX RAM 128GB (2x64GB) DDR5 4800 ECC RDIMM ASUS K14PA-U12 memory upgrade

SKU CH-7H7Y-4EE0Z

128 GB DDR5-4800 ECC registered server kit in two 64 GB modules for ASUS K14PA-U12 platforms

  • Total capacity128 GB (2 × 64 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 128 GB capacity expands server memory headroom
  • DDR5 4800 speed supports high-throughput workloads
  • ECC registered design protects data integrity under load
  • 2Rx4 organisation optimises density per channel
  • Validated for ASUS K14PA-U12 with AMD EPYC 9004

System-Specific DDR5 Kit

This 128 GB kit contains two 64 GB DDR5 4800 RDIMM modules built for the ASUS K14PA-U12 server motherboard. It targets administrators who need registered ECC memory validated for 128-core AMD EPYC 9004 platforms.

Sustained Load Behaviour

Registered buffering and on-die ECC keep data integrity intact during continuous multi-threaded workloads. The 1.10 V operating voltage and CL40 latency are specified for stable 4800 MT/s throughput across all populated channels.

Installation Notes

Modules insert into standard 288-pin DDR5 slots without heat spreaders, so clearance is minimal. The kit is qualified only for the K14PA-U12; other boards may not train at 4800 or may require a BIOS revision not covered here.

How it compares

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

Price $3,278.99
Pricier than about 74% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (2 × 64 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $25.62 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 numberMR38400-924K2
Total capacity128 GB (2 × 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 items128 GB (2 × 64 GB) DDR5 4800 MHz PC5-38400 2Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

How much power does this 1.10 V DDR5 4800 kit draw under sustained server loads?

Each module operates at 1.10 V, the standard DDR5 voltage, so total power scales with the 128 GB capacity and 4800 MT/s data rate rather than a fixed wattage figure.

What motherboard and processor must I already have for this 128 GB kit to function?

The kit is validated for the ASUS K14PA-U12 server motherboard paired with AMD EPYC 9004 series CPUs; the board must provide 288-pin DDR5 RDIMM slots.

Can I mix these CL40 2Rx4 modules with other DDR5 RDIMMs already installed in the K14PA-U12?

Mixing is possible only if the other modules are also DDR5 4800 ECC registered 2Rx4 RDIMMs; differing speeds, ranks or voltages will force the system to down-clock or fail to boot.

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