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

NEMIX RAM

NEMIX RAM DDR5 4800 256GB (2x128GB) ECC Registered RDIMM CL40 1.1V Supermicro H14DST-FL memory upgrade

SKU CH-0ZYS-0XP1J

256GB kit of two 128GB DDR5 4800MHz ECC Registered RDIMMs at 1.1V CL40, validated for the Supermicro H14DST-FL motherboard

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

Size 256GB 2X128GB

Show 30 more configurations
  • 256 GB capacity lets you fully populate the Supermicro H14DST-FL
  • Registered ECC design corrects single-bit errors on the fly
  • DDR5 4800 speed runs at the board's rated frequency
  • 1 V operation matches the controller's voltage requirement
  • 2Rx4 dual-rank layout enables full-density operation per slot

Exact-fit DDR5 kit for Supermicro H14DST-FL

This 256 GB kit uses two 128 GB registered ECC RDIMMs built to the DDR5 4800 standard. It targets administrators who need maximum capacity on this specific motherboard without mixing ranks or voltages.

DDR5 4800 registered ECC ceiling

The modules run at 1.1 V with CL40 timing and a 2Rx4 organisation. Registered buffering lets every slot stay populated at full speed, while ECC corrects single-bit errors before they reach the OS.

256 GB headroom and hard stops

Two slots deliver 256 GB total; adding more requires open DIMM sockets and a motherboard that supports higher density per channel. The kit stops at this capacity and cannot be expanded on boards limited to lower per-slot limits.

Highlights

  • 256 GB capacity lets you fully populate the Supermicro H14DST-FL
  • Registered ECC design corrects single-bit errors on the fly
  • DDR5 4800 speed runs at the board's rated frequency
  • 1 V operation matches the controller's voltage requirement
  • 2Rx4 dual-rank layout enables full-density operation per slot

Specifications

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

Other versions of this model

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Questions about this item

Should I choose the 256GB (2x128GB) kit or a smaller capacity for my Supermicro H14DST-FL?

The 256GB kit provides two 128GB modules that match the board's DDR5 4800 Registered ECC requirements. Verify your motherboard manual for maximum supported capacity and approved population order before installing.

What does the DDR5 4800 (PC5-38400) speed rating mean once the modules are installed in the server?

The modules will operate at 4800 MT/s with CL40 latency at 1.1V, delivering the rated bandwidth your memory controller expects when fully populated with Registered DIMMs.

How does the 288-pin Registered ECC interface affect compatibility and error handling in the H14DST-FL?

The 288-pin RDIMM form factor is required by this motherboard; Registered buffering reduces electrical load on the controller and on-die ECC corrects single-bit errors to prevent data corruption.

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