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Six green 288-pin DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM 768GB (6x128GB) DDR5 4800 ECC RDIMM 4Rx4 CL40 1.1V memory upgrade for ASUS S14NA-U12

SKU CH-VXT2-T7EKN

Six 128 GB DDR5 4800 ECC registered DIMMs deliver 768 GB of 1.1 V server memory validated for the ASUS S14NA-U12 board

  • Total capacity768 GB (6 × 128 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 768 GB total capacity for large-scale workloads
  • DDR5 4800 speed with PC5-38400 bandwidth
  • ECC registered design protects data integrity
  • 1 V operation reduces power draw
  • Six 128 GB modules in 288-pin RDIMM form factor

768GB DDR5 ECC RDIMM kit for ASUS S14NA-U12

This 768GB kit contains six 128GB DDR5 4800 ECC registered DIMMs built for the ASUS S14NA-U12 server board. It targets administrators expanding memory capacity in compatible enterprise systems.

4Rx4 quad-rank organisation

Each module uses a 4Rx4 layout with CL40 latency at 1.1V. The quad-rank density decides whether the board’s memory controller can address the full 768GB across all twelve slots.

Standard 288-pin DDR5 installation

Modules insert vertically into the board’s 288-pin DDR5 slots without tools. The most common issue is populating slots in the wrong sequence, which prevents the system from recognising the full capacity.

How it compares

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

Price $24,893.99
Pricier than about 92% of the 21,161 comparable items (median $397.99).
Total capacity 768 GB (6 × 128 GB)
Higher than about 92% of the 20,941 comparable items (median 32 GB).
Price per GB $32.41 per GB
Pricier than about 90% 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 numberMR38400-744K6
Total capacity768 GB (6 × 128 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 rank4Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsASUS
In the box
Included items768 GB (6 × 128 GB) DDR5 4800 MHz PC5-38400 4Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

What does 4800 MT/s mean once the modules are installed in the ASUS S14NA-U12?

The kit runs at DDR5 4800 (PC5 38400) with CL40 latency, delivering the rated speed when populated in supported slots on the ASUS S14NA-U12 board.

How does the ECC RDIMM interface affect usable bandwidth?

Registered ECC RDIMMs add a clock cycle for command buffering and provide error correction, so sustained throughput is slightly below the raw 38400 MB/s rating but gains data integrity.

Will the 288-pin DDR5 RDIMM modules fit the server board without clearance issues?

Yes, the 288-pin DDR5 RDIMM form factor matches the ASUS S14NA-U12 memory slots; the modules have no heat spreader, keeping height to the standard RDIMM profile.

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