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Sixteen green DDR5 RDIMM modules in a tray

NEMIX RAM

NEMIX RAM 512GB 16x32GB DDR5 4800 CL40 1Rx4 ECC RDIMM memory upgrade

SKU CH-PD4T-H9ZVP

512 GB DDR5 4800 ECC registered server kit in sixteen 32 GB modules for Supermicro CloudDC SuperServer systems

  • Capacity512GB (16 x 32GB)
  • SpeedDDR5 4800 (PC5 38400)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • 512 GB total capacity from 16 modules of 32 GB each
  • DDR5 4800 speed rated at PC5-38400 for high throughput
  • ECC registered design with 1Rx4 organisation protects data integrity
  • 10 V operation reduces power draw in dense server configs
  • Validated for Supermicro CloudDC SuperServer SYS-621C-TN12R SYS-611C-TN4R SYS-121C-TN2R

512GB DDR5 ECC RDIMM kit

This 512GB kit contains sixteen 32GB DDR5 4800 CL40 registered DIMMs built for Supermicro CloudDC SuperServer platforms. It targets IT teams running memory-intensive workloads on SYS-621C-TN12R, SYS-611C-TN4R or SYS-121C-TN2R systems. The modules operate at 1.10V and use 1Rx4 organisation with on-die ECC for data integrity.

Thermals and power at 4800 MT/s

Running at the standard 4800 MT/s speed and 1.10V, each module draws minimal power and runs without a heat spreader. Registered buffering reduces electrical load on the memory controller, helping keep system thermals stable under sustained server loads. No active cooling is required beyond normal chassis airflow.

Upgrade path and value

The kit replaces lower-capacity DDR5 RDIMM sets or fills empty slots to reach the platform's 512GB maximum. The jump is worth it when virtualisation density, in-memory databases or large-scale analytics demand more addressable memory per node. Buyers who need higher frequencies or lower latencies should look elsewhere.

Points forts

  • 512 GB total capacity from 16 modules of 32 GB each
  • DDR5 4800 speed rated at PC5-38400 for high throughput
  • ECC registered design with 1Rx4 organisation protects data integrity
  • 10 V operation reduces power draw in dense server configs
  • Validated for Supermicro CloudDC SuperServer SYS-621C-TN12R SYS-611C-TN4R SYS-121C-TN2R

Caractéristiques

BrandNEMIX RAM
SeriesSuperMicro Server/Workstation Compatible Series Memory
ModelSuperMicro DDR5 4800MHZ ECC RDIMM Registered Server Memory
Part NumberMR38400-314K16
Capacity512GB (16 x 32GB)
SpeedDDR5 4800 (PC5 38400)
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemSupermicro
CAS LatencyCL40
Heat SpreaderNo
Type288-Pin DDR5 RDIMM
Rank1Rx4
FeaturesDDR5 ECC Registered RDIMM Server Motherboard Compatible
Package Content512GB (16X32GB) DDR5 4800MHZ PC5-38400 1Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory

Questions sur cet article

How do I install the 16 288-pin DDR5 RDIMM modules into the SuperMicro SYS-621C-TN12R, and which step is most often missed?

Power down the server, open the chassis, and seat each 32GB module fully into the 288-pin DDR5 slots until the retention clips click; the step most often missed is verifying the BIOS recognises all 512GB at 4800 MT/s before closing the case.

What maintenance or replacement will the 1Rx4 ECC registered kit need during its service life?

The modules have no heat spreaders and no moving parts, so no scheduled maintenance is required; replacement is only needed if a module fails, which the ECC logic will flag via corrected error counts in the system log.

What limit appears first when the 512GB kit runs at 4800 MT/s CL40 under sustained load?

The primary limit is the JEDEC-standard 1.10V operating voltage; the memory controller’s thermal throttle point will be reached before any timing or bandwidth ceiling on these 1Rx4 registered modules.

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