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Twelve green DDR5 RDIMM modules in a row, no heat spreaders

NEMIX RAM

NEMIX RAM 384GB 12x32GB DDR5 4800 CL40 1.1V ECC RDIMM Server Kit

SKU CH-WGMV-VG4AS

384GB DDR5 4800 ECC registered server kit with twelve 32GB 1Rx4 modules at CL40 and 1.1V for Supermicro GPU SuperServer systems

  • Capacity384GB (12 x 32GB)
  • SpeedDDR5 4800 (PC5 38400)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • 384 GB total capacity from twelve 32 GB modules
  • DDR5 4800 MT/s speed for high-throughput server workloads
  • ECC registered design protects data integrity in critical applications
  • 1 V operating voltage reduces power draw per module
  • Validated for Supermicro GPU SuperServer SYS-821GE-TNHR, SYS-821GV-TNR, SYS-421GE-TNRT

384GB DDR5 Server Kit for SuperMicro

This 384GB kit contains twelve 32GB DDR5 4800 registered ECC RDIMMs built for SuperMicro GPU SuperServer systems. IT managers upgrading SYS-821GE-TNHR, SYS-821GV-TNR or SYS-421GE-TNRT platforms can populate every slot with matched modules. The 1Rx4 organisation and CL40 timing suit dense virtualisation and GPU compute workloads. Modules ship new and ready for immediate installation.

Thermals Noise and Power Draw

Registered DDR5 modules operate at 1.1V, reducing per-stick power compared with earlier server memory. Passive operation means no fans or pumps add acoustic load to the rack. Heat spreads through the PCB and the server’s existing airflow path. The low voltage helps keep total channel power within platform limits during sustained all-core workloads.

Upgrade Path and When It Is Worth It

The kit replaces smaller-capacity DDR5 RDIMM sets or mixed-speed modules that force the memory controller to down-clock. Moving to a full 384GB matched population removes capacity bottlenecks for large datasets and multi-tenant containers. The jump pays off when workloads exceed current memory headroom or when mixed-rank configurations cause instability. Builders needing non-registered or consumer DDR5 should look elsewhere.

Points forts

  • 384 GB total capacity from twelve 32 GB modules
  • DDR5 4800 MT/s speed for high-throughput server workloads
  • ECC registered design protects data integrity in critical applications
  • 1 V operating voltage reduces power draw per module
  • Validated for Supermicro GPU SuperServer SYS-821GE-TNHR, SYS-821GV-TNR, SYS-421GE-TNRT

Caractéristiques

BrandNEMIX RAM
SeriesSuperMicro Server/Workstation Compatible Series Memory
ModelSuperMicro DDR5 4800MHZ ECC RDIMM Registered Server Memory
Part NumberMR38400-314K12
Capacity384GB (12 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 Content384GB (12X32GB) DDR5 4800MHZ PC5-38400 1Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions sur cet article

How do I install the 12 modules into the SuperMicro SYS-821GE-TNHR, and which slot order do people get wrong?

Populate all twelve 288-pin DDR5 RDIMM slots following the motherboard's labelled channel sequence; the common mistake is skipping a channel or mixing ranks, so fill every slot in the exact order shown in the SuperMicro manual.

What maintenance will the 1Rx4 ECC RDIMM kit need after deployment?

No scheduled maintenance is required; the modules have no heat spreader, so keep chassis airflow clean and rely on the on-die ECC to correct single-bit errors — replace a stick only if the system logs uncorrectable errors.

At what point does the CL40 1.1 V DDR5 4800 kit hit its thermal or throttling limit under sustained load?

The modules run at standard 1.10 V JEDEC voltage with no heat spreader; the first limit reached is the server chassis airflow capacity — if inlet air stays within spec the memory will not throttle.

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