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Four green DDR5 RDIMM modules with black chips and gold contacts, no heat spreaders

NEMIX RAM

NEMIX RAM 64GB (4x16GB) DDR5 4800 ECC RDIMM ASUS K14PA-U12 memory upgrade

SKU CH-MR13-0F0QH

A 64 GB DDR5 ECC registered server kit of four 16 GB modules running at 4800 MT/s, CL40, 1.1 V, validated for the ASUS K14PA-U12 motherboard and 128-core AMD EPYC 9004 processors

  • Total capacity64 GB (4 × 16 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 64 GB total capacity across four 16 GB modules
  • DDR5 4800 speed rated at PC5-38400 for high throughput
  • ECC registered RDIMM design protects data integrity
  • Low 1.10 V operating voltage reduces power draw
  • Validated for ASUS K14PA-U12 with 128-core EPYC 9004

64GB DDR5 4800 ECC RDIMM kit

This 64GB kit contains four 16GB DDR5 4800 registered DIMMs with ECC and a CL40 latency. It is built for the ASUS K14PA-U12 server motherboard supporting 128-core AMD EPYC 9004 processors. IT teams upgrading memory in that specific platform will find the modules validated for the workload.

Tool-free DIMM installation

Installation follows the standard 288-pin DDR5 RDIMM procedure: open the socket latches, align the module key, press until the latches click, and repeat for all four slots. The most common issue is mixing registered ECC modules with unbuffered or non-ECC DIMMs, which prevents the system from posting.

Verify motherboard and CPU first

Confirm the board is the exact ASUS K14PA-U12 model and that the installed processors are AMD EPYC 9004 series. The platform requires registered ECC DDR5 at 1.1V; any other memory type will not be recognised. Check the server manual for the supported population order across the 12 memory channels.

How it compares

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

Price $1,781.99
Pricier than about 67% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB (4 × 16 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $27.84 per GB
Pricier than about 78% 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 numberMR38400-618K4
Total capacity64 GB (4 × 16 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 rank1Rx8
Power
Rated voltage1.1 V
Compatibility
Compatible systemsASUS
In the box
Included items64 GB (4 × 16 GB) DDR5 4800 MHz PC5-38400 1Rx8 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

How can I verify the 64GB kit is running at 4800 MT/s with CL40 after installation?

Enter the server BIOS or use a tool such as CPU-Z and confirm the memory frequency reads 4800 MT/s and the CAS latency shows CL40.

What does the package contain and is anything else required to use it?

The box includes four 16GB DDR5 4800 ECC RDIMM modules for a total of 64GB; no extra parts are needed for installation in a compatible ASUS K14PA-U12 motherboard.

Which capacity option matches a 128-core AMD EPYC 9004 system?

This 64GB (4×16GB) kit is the configuration listed as compatible with the ASUS K14PA-U12 for 128-core AMD EPYC 9004 servers.

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