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Eight green 288-pin DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM 512GB (8×64GB) DDR5 4800 CL40 ECC RDIMM memory upgrade

SKU CH-EDB7-NEFNQ

Eight 64 GB DDR5 4800 CL40 ECC registered DIMMs add 512 GB to ASUS S14NA-U12 servers

  • Capacity512GB (8 x 64GB)
  • SpeedDDR5 4800 (PC5 38400)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • 512 GB total capacity across eight 64 GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • ECC registered design detects and corrects data errors
  • 1 V operating voltage for efficient server operation
  • Validated for ASUS S14NA-U12 server board compatibility

Server Memory Upgrade

This 512 GB kit provides eight 64 GB DDR5 4800 registered ECC RDIMMs for the ASUS S14NA-U12 server board. It targets administrators who need maximum registered capacity in a single validated package.

Thermals and Power

Modules run at 1.1 V without heat spreaders, relying on server chassis airflow for cooling. Registered buffering and ECC add minimal overhead while maintaining signal integrity under sustained load.

Capacity and Compatibility

The 512 GB total across eight slots is the deciding factor; the board must support 64 GB RDIMMs per channel to use this kit. Systems limited to lower per-slot densities cannot accept these modules.

Highlights

  • 512 GB total capacity across eight 64 GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • ECC registered design detects and corrects data errors
  • 1 V operating voltage for efficient server operation
  • Validated for ASUS S14NA-U12 server board compatibility

Specifications

BrandNEMIX RAM
SeriesASUS Server Motherboard Compatible Series Memory
ModelASUS DDR5 4800MHZ ECC RDIMM Registered Server Memory
Part NumberMR38400-924K8
Capacity512GB (8 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 Content512GB (8X64GB) DDR5 4800MHZ PC5-38400 2Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

How do I install the 288-pin DDR5 RDIMM modules into the ASUS S14NA-U12 server board?

Power down the server, open the chassis, align each 288-pin DDR5 RDIMM with the keyed slot, press firmly until the retention clips click, then populate all eight channels per the board's memory population guide.

Will the Samsung, Micron or Hynix DRAM chips on these 64 GB modules require any firmware updates or periodic replacement?

The major OEM DRAM chips are solid-state with no moving parts and no firmware; they do not need updates or scheduled replacement under normal server operation.

At what point does the CL40 latency at 4800 MT/s become the bottleneck during sustained workloads?

Under continuous heavy load the fixed CL40 timing at 4800 MT/s limits memory throughput before thermal or voltage constraints appear.

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