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Two green 288-pin DDR5 RDIMM modules, no heat spreaders

NEMIX RAM

NEMIX RAM DDR5 4800 256GB (2x128GB) ECC RDIMM CL40 1.1V 2Rx4 Supermicro H14DSH memory upgrade

SKU CH-1BWN-2AAM5

256 GB DDR5 4800 ECC registered RDIMM kit (2 × 128 GB, CL40, 1.1 V, 2Rx4) validated for Supermicro H14DSH motherboards

  • Capacity256GB (2 x 128GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes

Size 256GB 2X128GB

Voir les 30 autres configurations
  • 256 GB capacity across two 128 GB modules for dense server workloads
  • DDR5 4800 speed with CL40 latency matches the board's rated timing
  • 1 V operation and 2Rx4 registered ECC design reduces electrical load on the memory controller
  • 288-pin RDIMM form factor verified for Supermicro H14DSH motherboard compatibility
  • Lifetime replacement warranty with US-based technical support included

Exact-match DDR5-4800 kit

This 256GB kit contains two 128GB DDR5 4800 RDIMMs built to the precise 2Rx4 registered ECC specification the Supermicro H14DSH memory controller expects. It installs at the rated 1.1V and CL40 timing so every slot is recognised at full capacity without manual tuning.

Registered ECC architecture

Registered buffering offloads the memory controller, allowing all populated slots to run at the full 256GB capacity while on-die ECC corrects single-bit errors before they reach the operating system. The result is uninterrupted uptime for workloads that cannot tolerate silent data corruption.

288-pin RDIMM form factor

The modules use the 288-pin RDIMM form factor required by the H14DSH, not UDIMM or SODIMM, so they seat correctly in the server's DIMM slots. Population order and maximum supported capacity still depend on the motherboard manual, which must be consulted before installation.

Points forts

  • 256 GB capacity across two 128 GB modules for dense server workloads
  • DDR5 4800 speed with CL40 latency matches the board's rated timing
  • 1 V operation and 2Rx4 registered ECC design reduces electrical load on the memory controller
  • 288-pin RDIMM form factor verified for Supermicro H14DSH motherboard compatibility
  • Lifetime replacement warranty with US-based technical support included

Caractéristiques

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR38400-724K2
Capacity256GB (2 x 128GB)
Type288-Pin DDR5 RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
ChipsetMajor OEM Samsung, Micron, Hynix
Heat SpreaderNo
Compatible SystemSupermicro
FeaturesDDR5 ECC RDIMM Motherboard Compatible
Package Content256GB 2X128GB DDR5 4800MHz PC5-38400 2Rx4 1.1V 288-PIN ECC RDIMM KIT

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Questions sur cet article

Will the 2Rx4 registered ECC modules need any firmware updates or periodic replacement?

The modules are built with major OEM Samsung, Micron or Hynix DRAM and carry a lifetime replacement warranty; no firmware updates or scheduled replacement are required.

What is the first limit reached when the 256 GB kit runs continuously at DDR5-4800 CL40?

The CAS latency of CL40 and the 1.1 V operating voltage set the timing and power envelope that the memory controller hits before any thermal throttle on these bare modules.

How much heat and noise do the 128 GB RDIMMs produce under all-day load without a heat spreader?

With no heat spreader the bare DRAM runs at 1.1 V, so power draw stays low and the modules add only passive heat to the server's existing airflow, generating no audible noise themselves.

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