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

NEMIX RAM

NEMIX RAM 256GB (4x64GB) DDR5 4800MHz CL40 ECC RDIMM memory upgrade

SKU CH-86W6-6X14Q

256 GB DDR5 server kit with four 64 GB registered ECC modules at 4800 MHz CL40 for ASUS S14NA-U12 boards

  • Capacity256GB (4 x 64GB)
  • SpeedDDR5 4800 (PC5 38400)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • 256 GB total capacity for memory-intensive server workloads
  • DDR5 4800 MT/s speed with PC5-38400 bandwidth for fast data throughput
  • ECC registered RDIMM design detects and corrects errors to protect data integrity
  • 1 V operating voltage reduces power draw in dense configurations
  • Validated for ASUS S14NA-U12 server board for guaranteed compatibility

Server memory kit for ASUS S14NA-U12

This 256 GB kit supplies four 64 GB DDR5 RDIMM modules built for the ASUS S14NA-U12 server board. ECC and registered operation protect data integrity in multi-socket environments. The kit targets IT teams who need validated capacity for virtualization hosts or database nodes.

Sustained load behavior with ECC registered design

Registered buffering reduces electrical load on the memory controller during continuous throughput. ECC corrects single-bit errors in real time without halting the system. The 1.1 V operating voltage keeps power draw predictable across fully populated channels.

256 GB total capacity in four 64 GB modules

The four-module population fills the board's supported slots for maximum density. Each module runs at DDR5 4800 with CL40 latency and 2Rx4 organization. Buyers who need more storage or non-ECC unbuffered memory should look elsewhere.

Highlights

  • 256 GB total capacity for memory-intensive server workloads
  • DDR5 4800 MT/s speed with PC5-38400 bandwidth for fast data throughput
  • ECC registered RDIMM design detects and corrects errors to protect data integrity
  • 1 V operating voltage reduces power draw in dense configurations
  • Validated for ASUS S14NA-U12 server board for guaranteed compatibility

Specifications

BrandNEMIX RAM
SeriesASUS Server Motherboard Compatible Series Memory
ModelASUS DDR5 4800MHZ ECC RDIMM Registered Server Memory
Part NumberMR38400-924K4
Capacity256GB (4 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 Content256GB (4X64GB) DDR5 4800MHZ PC5-38400 2Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

At 1.1 V and CL40, how much heat do four 64 GB DDR5 RDIMMs generate under sustained load?

The kit runs at 1.10 V with CL40 latency; registered DDR5 modules at this voltage typically stay cool in a server chassis with normal airflow, and the lack of a heat spreader means they rely on system fans for cooling.

What motherboard feature must my ASUS server board provide for this 256 GB kit to function?

The board must support 288-pin DDR5 RDIMM slots, registered ECC operation, and 2Rx4 organisation at 4800 MT/s (PC5-38400) with 1.10 V supply.

Can I mix these 2Rx4 registered ECC modules with single-rank unbuffered DDR5 DIMMs already installed?

No — registered ECC RDIMMs and unbuffered UDIMMs use different signalling and cannot be mixed on the same channel or motherboard.

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