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Eight green DDR5 RDIMM modules without heat spreaders

NEMIX RAM

NEMIX RAM 128GB 8x16GB DDR5 4800 CL40 1.1V ECC RDIMM ASUS S14NA-U12

SKU CH-WG10-QDSH2

A 128 GB kit of eight 16 GB DDR5 4800 CL40 ECC registered DIMMs at 1.1 V for the ASUS S14NA-U12 server board

  • Total capacity128 GB (8 × 16 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 128 GB capacity in eight 16 GB modules
  • DDR5 4800 speed with PC5-38400 bandwidth
  • ECC registered RDIMM for data integrity
  • 1 V operation reduces power draw
  • Validated for ASUS S14NA-U12 server board

Server memory kit for ASUS S14NA-U12

This 128 GB kit contains eight 16 GB DDR5 RDIMM modules built for the ASUS S14NA-U12 server board. Registered ECC operation keeps data integrity intact in multi-socket platforms. The 1Rx8 organisation and 1.10 V voltage match the platform specification exactly.

Thermals and power at rated speed

Modules run at 4800 MT/s with a CAS latency of 40 while drawing only 1.10 V. No heat spreaders are fitted, so airflow across the 288-pin DIMM slots handles cooling. Registered buffering reduces electrical load on the memory controller during normal operation.

Behaviour under sustained load

All modules are stress tested under load before shipping to verify stability in continuous server workloads. ECC correction handles single-bit errors without interrupting service. Registered signalling maintains clean timing during extended high-throughput sessions.

How it compares

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

Price $3,180.99
Pricier than about 73% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (8 × 16 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $24.85 per GB
Pricier than about 69% 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 numberMR38400-618K8
Total capacity128 GB (8 × 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 items128 GB (8 × 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 do I install the 8x16GB DDR5 4800 CL40 ECC RDIMM kit on the ASUS S14NA-U12 server board and which step is commonly missed?

Power off the server, open the chassis, align each 288-pin module with the keyed slot, press firmly until both retention clips click, then power on and verify all 128GB appear in BIOS; the step often missed is seating every module until both clips engage fully.

What maintenance or replacement will the 128GB DDR5 4800 ECC RDIMM kit need over its service life?

No scheduled maintenance is required; keep air pathways clear so the registered modules stay cool, run periodic memory diagnostics, and replace any stick that begins reporting correctable ECC errors or fails a stress test.

What limit appears first when the 8x16GB DDR5 4800 CL40 1.1V ECC RDIMM kit runs sustained workloads on the ASUS S14NA-U12?

The thermal ceiling of the unbuffered 1Rx8 modules without heat spreaders is reached first; prolonged heavy traffic raises chip temperature until the memory controller throttles bandwidth to protect stability.

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