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Eight green DDR5 RDIMM modules, bare circuit boards with black chips, no heat spreaders

NEMIX RAM

NEMIX RAM 256GB (8x32GB) DDR5 4800 CL40 ECC RDIMM memory upgrade

SKU CH-ZEWA-VYGS2

Eight 32 GB DDR5 4800 CL40 ECC RDIMM modules at 1.10 V for ASUS S14NA-U12 servers

  • Total capacity256 GB (8 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 256 GB server-grade capacity for large workloads
  • DDR5 4800 speed with PC5-38400 bandwidth
  • ECC registered design protects data integrity
  • 1 V operation reduces power draw
  • 8×32 GB kit validated for ASUS S14NA-U12

ASUS Server Board S14NA-U12 Compatible Kit

This 256GB memory kit is built for the ASUS Server Board S14NA-U12. It contains eight registered DDR5 ECC RDIMM modules that deliver 256GB of total capacity for enterprise workloads. IT professionals choose this configuration for mission-critical servers and workstations that demand stability and data integrity.

Simple DIMM Installation With Manual Guidance

The modules use the standard 288-pin DDR5 RDIMM form factor and operate at 1.1V, so they seat in the board’s memory slots like any registered DIMM. Installation typically takes minutes, but the supplier advises checking the owner’s manual for the correct population order and any BIOS settings required for 4800MT/s operation. Skipping that step is the most common reason a new kit fails to post.

256GB Registered ECC Headroom For Heavy Loads

Eight 32GB 1Rx4 modules provide 256GB of registered ECC memory running at CL40 4800MT/s. That capacity handles large virtualisation clusters, in-memory databases and heavy compute jobs without paging. The limit is the board’s maximum supported memory; if your workload grows beyond that ceiling you must add another compatible server rather than expand this kit further.

How it compares

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

Price $7,377.99
Pricier than about 83% of the 21,161 comparable items (median $397.99).
Total capacity 256 GB (8 × 32 GB)
Higher than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $28.82 per GB
Pricier than about 81% 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 numberMR38400-314K8
Total capacity256 GB (8 × 32 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 rank1Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsASUS
In the box
Included items256 GB (8 × 32 GB) DDR5 4800 MHz PC5-38400 1Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

How can I verify the kit is running at DDR5 4800 CL40 after installation?

Check the BIOS memory information or a tool such as CPU-Z; it should report 4800 MT/s, CL40 timings and 1.10 V on all eight modules.

What does the package contain and is anything else required?

The box includes the 256 GB kit (8 × 32 GB DDR5 4800 ECC RDIMM modules); no extra parts are needed for installation in a compatible ASUS server board.

Which capacity version should I choose for the ASUS S14NA-U12?

This 256 GB kit (8 × 32 GB) matches the board's eight DDR5 RDIMM slots and is the capacity listed as compatible for that model.

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