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Two green 288-pin DDR5 RDIMM modules without heat spreaders

NEMIX RAM

NEMIX RAM 128GB (2x64GB) DDR5 4800 ECC RDIMM CL40 1.1V 2Rx4 ASUS S14NA-U12 memory upgrade

SKU CH-CRDH-VSWGK

Dual-rank 128 GB DDR5 4800 ECC RDIMM kit with CL40 latency for ASUS S14NA-U12 servers

  • Capacity128GB (2 x 64GB)
  • SpeedDDR5 4800 (PC5 38400)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • 128 GB capacity supports demanding server workloads
  • DDR5 4800 speed delivers high data throughput
  • ECC registered design protects data integrity
  • 1 V operation reduces power consumption
  • Validated for ASUS S14NA-U12 motherboard compatibility

ASUS S14NA-U12 DDR5 ECC RDIMM kit

This 128GB kit contains two 64GB registered DDR5 modules validated for the ASUS S14NA-U12 server board. ECC and registered signalling protect data integrity in multi-socket and virtualised workloads. The modules run at 4800 MT/s with CL40 latency at 1.10V.

Replaces slower or smaller DDR5 RDIMMs

Upgrading from lower-capacity or lower-speed registered DDR5 is worthwhile when memory bandwidth or total capacity limits database, virtualisation or HPC throughput. The 2Rx4 organisation doubles rank density per channel compared with single-rank alternatives.

Fits 288-pin DDR5 RDIMM slots on the S14NA-U12

No heat spreader is fitted, so airflow across the PCB must be provided by the server chassis. The kit frees DIMM slots for future expansion while delivering the full 128GB in a two-module configuration.

Highlights

  • 128 GB capacity supports demanding server workloads
  • DDR5 4800 speed delivers high data throughput
  • ECC registered design protects data integrity
  • 1 V operation reduces power consumption
  • Validated for ASUS S14NA-U12 motherboard compatibility

Specifications

BrandNEMIX RAM
SeriesASUS Server Motherboard Compatible Series Memory
ModelASUS DDR5 4800MHZ ECC RDIMM Registered Server Memory
Part NumberMR38400-924K2
Capacity128GB (2 x 64GB)
SpeedDDR5 4800 (PC5 38400)
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemASUS
CAS LatencyCL40
Heat SpreaderNo
Type288-Pin DDR5 RDIMM
Rank2Rx4
FeaturesDDR5 ECC Registered RDIMM Server Motherboard Compatible
Package Content128GB (2X64GB) DDR5 4800MHZ PC5-38400 2Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

Does the 288-pin DDR5 RDIMM form factor fit the ASUS S14NA-U12 server board?

Yes, the kit uses the 288-pin DDR5 RDIMM form factor that matches the memory slots on the ASUS S14NA-U12 server board.

How do I install the two 64 GB modules and what step is often missed?

Power off the server, open the chassis, align each module notch with the slot key, press firmly until both retention clips click, then verify in BIOS that both 64 GB modules are detected at 4800 MT/s.

When should the ECC RDIMM modules be replaced in a 24/7 server?

Replace modules if ECC corrected-error counters rise sharply, if the system logs uncorrectable memory errors, or if stress testing shows instability after years of continuous operation.

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