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Four green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM 256GB (4x64GB) DDR5 4800 CL40 1.1V ECC RDIMM memory upgrade

SKU CH-YZ98-TQA23

256 GB DDR5 registered ECC server memory kit with four 64 GB modules running at 4800 MT/s, CL40 and 1.10 V for Supermicro FatTwin SuperServer systems

  • Capacity256GB (4 x 64GB)
  • SpeedDDR5 4800 (PC5 38400)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • 256 GB total capacity across four 64 GB modules
  • DDR5 4800 MT/s speed rated at PC5-38400
  • ECC registered RDIMM for data integrity in servers
  • Low 1.10 V operating voltage reduces power draw
  • Validated for Supermicro FatTwin SYS-F521E3-RTB and SYS-F511E2-RT systems

Capacity and purpose

This 256GB kit contains four 64GB DDR5 4800 CL40 registered ECC RDIMMs built for Supermicro FatTwin and SuperServer systems including the SYS-F521E3-RTB, SYS-F511E2-RT and X13SEFR-A. It targets IT teams expanding memory in validated server platforms where error correction and registered signalling are required.

What the kit changes

Four matched modules populate four slots at once, delivering the full 256GB capacity with consistent 1.1V operation and CL40 timing across every rank. The 2Rx4 organisation and PC5-38400 rating keep bandwidth stable under sustained workloads, while on-board ECC corrects single-bit errors without software overhead.

Installation notes

Each 288-pin RDIMM seats in the standard DDR5 server slot; the key notch prevents misalignment and no heat spreader interferes with tight DIMM spacing. Systems that require specific population rules or BIOS revision updates for 64GB densities may need a firmware check before all four modules are recognised.

Points forts

  • 256 GB total capacity across four 64 GB modules
  • DDR5 4800 MT/s speed rated at PC5-38400
  • ECC registered RDIMM for data integrity in servers
  • Low 1.10 V operating voltage reduces power draw
  • Validated for Supermicro FatTwin SYS-F521E3-RTB and SYS-F511E2-RT systems

Caractéristiques

BrandNEMIX RAM
SeriesSuperMicro Server/Workstation Compatible Series Memory
ModelSuperMicro DDR5 4800MHZ ECC RDIMM Registered Server Memory
Part NumberMR38400-924K4
Capacity256GB (4 x 64GB)
SpeedDDR5 4800 (PC5 38400)
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemSupermicro
CAS LatencyCL40
Heat SpreaderNo
Type288-Pin DDR5 RDIMM
Rank2Rx4
FeaturesDDR5 ECC Registered RDIMM Server Motherboard Compatible
Package Content256GB (4X64GB) DDR5 4800MHZ PC5-38400 2Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions sur cet article

Will the four 64 GB modules need any firmware updates or reseating over time?

No firmware is involved; the modules are standard 288-pin DDR5 RDIMMs that stay seated unless the chassis is moved.

What is the first limit reached when the kit runs at full 4800 MT/s continuously?

The CL40 latency at 1.10 V sets the timing boundary before thermal or power limits appear.

How much heat and noise does the 256 GB kit produce during all-day operation?

With no heat spreaders and a low 1.10 V operating voltage, the modules add minimal heat and make no audible noise.

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