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Four green DDR5 RDIMM sticks in anti-static tray

NEMIX RAM

NEMIX RAM 256GB (4x64GB) DDR5 4800 CL40 ECC RDIMM Supermicro H13SSF memory upgrade

SKU CH-RMKJ-7339M

A 256GB kit of four 64GB DDR5 4800 CL40 ECC registered RDIMMs built for the Supermicro H13SSF motherboard

  • Capacity256GB (4 x 64GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes

Size 256GB 4X64GB

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  • 256 GB total capacity across four 64 GB modules for high-density server workloads
  • DDR5 4800 speed with CL40 latency delivers rated bandwidth for Supermicro H13SSF
  • Registered ECC RDIMM architecture offloads the memory controller and corrects single-bit errors on the fly
  • 10 V operation matches the board's voltage requirement for stable fully-populated slots
  • 288-pin 2Rx4 form factor fits the exact DIMM slots and population rules of the H13SSF

Exact-match DDR5-4800 kit for Supermicro H13SSF

This 256 GB kit delivers four 64 GB Registered ECC RDIMMs built to the DDR5-4800 (PC5-38400) specification at 1.10 V and CL40. The 2Rx4 rank layout and registered architecture match the H13SSF memory controller so the full capacity is recognised at rated speed without manual tuning.

Registered ECC RDIMM form factor

The 288-pin RDIMM modules satisfy the board's requirement for registered memory rather than unbuffered or SODIMM types. ECC corrects single-bit errors on the fly to prevent silent data corruption, while the registered design offloads the memory controller to keep every slot stable when fully populated.

256 GB headroom for dense virtualisation

Four ranks per channel provide the capacity headroom typical of multi-tenant virtualisation, in-memory databases and large-scale analytics workloads. Systems needing more than 256 GB per board or requiring a different speed grade will need a different memory configuration.

Points forts

  • 256 GB total capacity across four 64 GB modules for high-density server workloads
  • DDR5 4800 speed with CL40 latency delivers rated bandwidth for Supermicro H13SSF
  • Registered ECC RDIMM architecture offloads the memory controller and corrects single-bit errors on the fly
  • 10 V operation matches the board's voltage requirement for stable fully-populated slots
  • 288-pin 2Rx4 form factor fits the exact DIMM slots and population rules of the H13SSF

Caractéristiques

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR38400-924K4
Capacity256GB (4 x 64GB)
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 4X64GB DDR5 4800MHz PC5-38400 2Rx4 1.1V 288-PIN ECC RDIMM KIT

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Questions sur cet article

Will the 288-pin RDIMM modules need any thermal maintenance over time?

The kit has no heat spreader, so airflow across the bare DRAM is the only cooling required; keep server fans clean and intake filters clear.

What limits sustained throughput on this DDR5-4800 CL40 registered ECC kit?

The DDR5-4800 JEDEC data rate and CL40 latency set the bandwidth ceiling; registered buffering adds one cycle but keeps all four slots stable at full 256 GB.

How much extra power and heat do the four 64 GB modules add under continuous load?

Each module runs at 1.1 V; total draw stays within standard RDIMM limits, so existing VRM and chassis cooling handle the load without extra provisioning.

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