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Green circuit board with black chips, gold edge connector, no heat spreader

NEMIX RAM

NEMIX RAM 128GB DDR5 4800 CL40 2Rx4 ECC Registered RDIMM Supermicro H14SSL-NT memory upgrade

SKU CH-5DHX-5SHEK

128GB DDR5 4800 registered ECC RDIMM, 2Rx4 CL40 1.1V, validated for Supermicro H14SSL-NT motherboards

  • Capacity128GB
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes

Size 128GB

Show 24 more configurations
  • 128 GB DDR5-4800 RDIMM delivers full-capacity server performance
  • Registered ECC architecture prevents silent data corruption under heavy load
  • CL40 latency at 1.1 V matches the H14SSL-NT memory controller exactly
  • 2Rx4 288-pin form factor fits the board's population rules
  • Lifetime replacement warranty with US-based technical support included

Supermicro H14SSL-NT DDR5 upgrade

This NEMIX RAM module adds 128 GB of DDR5-4800 registered ECC memory to a Supermicro H14SSL-NT motherboard. The 288-pin RDIMM form factor matches the board's registered DIMM slots and population rules. It is intended for administrators expanding capacity in compatible Supermicro server platforms.

2Rx4 rank and 1.1 V registered ECC

The single specification that determines fit is the 2Rx4 registered ECC organisation at 1.1 V with CL40 timing. This exact rank structure, voltage and error-correction mode is what the H14SSL-NT memory controller expects for full-speed operation. A UDIMM, different rank or voltage would not be recognised or would run at reduced capacity.

Single-module kit with lifetime support

The package contains one 128 GB RDIMM and no additional cables, brackets or software. NEMIX RAM provides lifetime replacement coverage and US-based technical assistance for the module itself. Buyers who need multiple matched modules or a pre-validated multi-DIMM kit should verify their board's population guide before ordering.

Highlights

  • 128 GB DDR5-4800 RDIMM delivers full-capacity server performance
  • Registered ECC architecture prevents silent data corruption under heavy load
  • CL40 latency at 1.1 V matches the H14SSL-NT memory controller exactly
  • 2Rx4 288-pin form factor fits the board's population rules
  • Lifetime replacement warranty with US-based technical support included

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR38400-724K1
Capacity128GB
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 Content128GB DDR5 4800MHz PC5-38400 2Rx4 1.1V 288-PIN ECC RDIMM KIT

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Questions about this item

What does the 4800 MT/s rating mean once the module is installed in a Supermicro H14SSL-NT?

The module will run at DDR5-4800 (PC5-38400) with CL40 timings at 1.1 V, delivering the exact speed and latency the motherboard's memory controller expects when populated per its rules.

How does the 288-pin RDIMM interface and registered design affect what the system can do?

The 288-pin registered form factor is required by the H14SSL-NT; the buffered architecture lets every slot run fully populated at the rated 128 GB capacity while ECC corrects single-bit errors on the fly.

What physical clearance does this 288-pin RDIMM need to fit in the server?

It uses the standard 288-pin RDIMM height with no heat spreader, so it fits the H14SSL-NT's DIMM slots without extra clearance beyond the motherboard's normal layout.

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