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Sixteen green DDR5 RDIMM modules without heat spreaders in a row

NEMIX RAM

NEMIX RAM DDR5 256GB 16x16GB 4800MHz CL40 1.1V ECC RDIMM Supermicro H14DSG-OM

SKU CH-J6KX-4AY23

A 256GB kit of sixteen 16GB DDR5 ECC registered RDIMMs running at 4800MHz CL40 1.1V, validated for the Supermicro H14DSG-OM motherboard

  • Capacity256GB (16 x 16GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes

Size 256GB 16X16GB

Show 30 more configurations
  • 256GB capacity across 16 modules fills every slot for maximum server density
  • DDR5-4800 speed with CL40 latency delivers rated throughput for Supermicro H14DSG-OM
  • Registered ECC architecture corrects single-bit errors to prevent silent data corruption
  • 1V operation at 1Rx8 rank matches the memory controller's exact requirements
  • 288-pin RDIMM form factor ensures physical and electrical compatibility with the motherboard

Server-ready DDR5 kit

This 256GB kit contains sixteen 16GB DDR5 RDIMMs rated at 4800MHz with CL40 latency and 1.1V operation. It targets administrators upgrading a Supermicro H14DSG-OM motherboard that demands registered ECC memory in a fully populated 16-slot layout.

DDR5 4800 registered limits

The DDR5-4800 standard caps single-rank RDIMM bandwidth at PC5-38400, and the registered buffer adds one cycle of command latency versus unbuffered modules. Full 16-slot population forces the memory controller to run at the base JEDEC speed without overclocking headroom.

Install and common issues

Modules are 288-pin RDIMMs that key only into DDR5 RDIMM slots; they will not seat in UDIMM or SODIMM sockets. The motherboard manual dictates the exact population sequence, and skipping a required slot order is the most frequent cause of a no-post condition.

Highlights

  • 256GB capacity across 16 modules fills every slot for maximum server density
  • DDR5-4800 speed with CL40 latency delivers rated throughput for Supermicro H14DSG-OM
  • Registered ECC architecture corrects single-bit errors to prevent silent data corruption
  • 1V operation at 1Rx8 rank matches the memory controller's exact requirements
  • 288-pin RDIMM form factor ensures physical and electrical compatibility with the motherboard

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR38400-618K16
Capacity256GB (16 x 16GB)
Type288-Pin DDR5 RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank1Rx8
ChipsetMajor OEM Samsung, Micron, Hynix
Heat SpreaderNo
Compatible SystemSupermicro
FeaturesDDR5 ECC RDIMM Motherboard Compatible
Package Content256GB 16X16GB DDR5 4800MHz PC5-38400 1Rx8 1.1V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

Is the full 256 GB kit the only capacity option for this Supermicro H14DSG-OM kit?

The listing shows a single 256 GB kit built from sixteen 16 GB modules; no smaller or larger kits are offered for this motherboard.

Will the DDR5-4800 CL40 rating run at that speed on the H14DSG-OM without manual tuning?

The kit is spec-matched to the board's memory controller, so it is recognised at full capacity and operates at its rated 4800 MT/s with CL40 timings at 1.1 V.

Does the 288-pin RDIMM form factor and registered ECC design work with the H14DSG-OM's memory slots?

Yes, the modules are 288-pin registered ECC RDIMMs, the exact form factor and buffering the H14DSG-OM requires for fully populated operation.

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