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Four green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM 256GB (4x64GB) DDR5 4800 CL40 ECC RDIMM for SuperMicro SYS-111C-NR SYS-521C-NR X13SEDW-F

SKU CH-M8MA-N5F84

256 GB DDR5 ECC registered server memory kit of four 64 GB modules at 4800 MT/s CL40 for SuperMicro SYS-111C-NR, SYS-521C-NR and X13SEDW-F

  • Capacity256GB (4 x 64GB)
  • SpeedDDR5 4800 (PC5 38400)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • 256GB total capacity across four 64GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • ECC registered RDIMM protects data integrity under load
  • CL40 CAS latency at 1.10V operating voltage
  • Validated for SuperMicro SYS-111C-NR SYS-521C-NR X13SEDW-F systems

256GB DDR5 4800 ECC RDIMM Kit

This 256GB kit contains four 64GB DDR5 4800 registered DIMMs with ECC and CL40 latency. It is built for SuperMicro SYS-111C-NR, SYS-521C-NR and X13SEDW-F servers and workstations that require registered memory.

DDR5 4800 Platform Limits

DDR5 4800 operates at 1.1V and uses a 288-pin RDIMM form factor with on-die ECC and registered buffering. Maximum capacity and population rules are set by the motherboard and CPU memory controller, not by the modules alone.

Upgrading from Lower-Capacity DDR5 RDIMMs

Replacing smaller DDR5 RDIMMs with this 4x64GB kit fills four slots to reach 256GB, which is worthwhile when workloads exceed the current memory ceiling. It is not for systems that only accept unbuffered UDIMMs or that are limited to lower maximum capacities per slot.

Points forts

  • 256GB total capacity across four 64GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • ECC registered RDIMM protects data integrity under load
  • CL40 CAS latency at 1.10V operating voltage
  • Validated for SuperMicro SYS-111C-NR SYS-521C-NR X13SEDW-F 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

Should I choose the 256GB kit of four 64GB modules or a different capacity for my SuperMicro server?

The kit provides 256GB total using four 64GB DDR5 4800 CL40 ECC RDIMMs; choose it when your SuperMicro SYS-111C-NR, SYS-521C-NR or X13SEDW-F platform requires that exact capacity and registered DIMM configuration.

What does the DDR5 4800 CL40 rating mean once the modules are installed in a real system?

The memory will run at 4800 MT/s with a CAS latency of 40 cycles, delivering PC5-38400 bandwidth while the registered buffer and on-die ECC maintain data integrity under sustained server workloads.

How does the 288-pin DDR5 RDIMM interface limit performance in practice?

The 288-pin registered DDR5 form factor operates at 1.1V and caps the kit at the JEDEC-standard 4800 MT/s data rate, so the system cannot exceed that speed without overclocking support that these modules are not rated for.

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