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Sixteen green DDR5 RDIMM modules without heat spreaders, 256GB total

NEMIX RAM

NEMIX RAM 256GB 16x16GB DDR5 4800 CL40 ECC RDIMM SuperMicro Server

SKU CH-68S0-HG5J6

256GB DDR5 4800 ECC RDIMM kit in 16 x 16GB modules with CL40 latency and 1.10V operation for SuperMicro CloudDC SuperServer systems

  • Capacity256GB (16 x 16GB)
  • SpeedDDR5 4800 (PC5 38400)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • 256 GB total capacity across 16 modules for dense server workloads
  • DDR5 4800 speed delivers high bandwidth for data-intensive applications
  • ECC registered design protects data integrity in mission-critical environments
  • 1 V operation reduces power draw per module
  • Validated for SuperMicro CloudDC SuperServer SYS-621C-TN12R SYS-611C-TN4R SYS-121C-TN2R

256GB DDR5 4800 ECC RDIMM kit

This 256GB kit provides sixteen 16GB DDR5 4800 registered ECC modules for SuperMicro CloudDC and SuperServer platforms. It is built for administrators who need maximum registered memory capacity in compatible 1Rx8 configuration.

Thermals noise and power at 1.1V

Each module operates at 1.10V without a heat spreader, relying on server chassis airflow for cooling. Registered buffering and ECC add minimal latency overhead while maintaining signal integrity under sustained load.

What the kit changes for deployment

The sixteen-module pack fills all slots in supported SuperMicro SYS-621C-TN12R, SYS-611C-TN4R and SYS-121C-TN2R systems in a single purchase. Buyers who need fewer than sixteen modules or non-registered memory should select a different kit.

Points forts

  • 256 GB total capacity across 16 modules for dense server workloads
  • DDR5 4800 speed delivers high bandwidth for data-intensive applications
  • ECC registered design protects data integrity in mission-critical environments
  • 1 V operation reduces power draw per module
  • 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 NumberMR38400-618K16
Capacity256GB (16 x 16GB)
SpeedDDR5 4800 (PC5 38400)
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemSupermicro
CAS LatencyCL40
Heat SpreaderNo
Type288-Pin DDR5 RDIMM
Rank1Rx8
FeaturesDDR5 ECC Registered RDIMM Server Motherboard Compatible
Package Content256GB (16X16GB) DDR5 4800MHZ PC5-38400 1Rx8 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory

Questions sur cet article

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

Power down the server, open the chassis, and seat each 288-pin module firmly until the ejector clips click; the step often missed is populating all 16 slots in the exact channel order shown in the SuperMicro manual so the 256 GB kit runs at 4800 MT/s.

What maintenance or replacement will the 16 GB 1Rx8 ECC RDIMMs need over their service life?

The modules have no heat spreaders and no moving parts, so no routine maintenance is required; if a stick fails the lifetime replacement warranty covers a direct swap, otherwise they stay in place for the server's lifespan.

What limit appears first when the 256 GB kit runs sustained workloads at 4800 MT/s CL40?

The registered DDR5 design and 1.10 V operation keep thermals low, so the first bottleneck is typically the memory-controller bandwidth ceiling of the SuperMicro platform rather than the modules themselves.

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