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Eight green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM 1TB (8 x 128GB) DDR5 4800MHz ECC Registered RDIMM Supermicro H14SHM memory upgrade

SKU CH-JCQ0-48A3S

1TB kit of eight 128GB DDR5-4800 registered ECC RDIMMs built for the Supermicro H14SHM motherboard

  • Capacity1TB (8 x 128GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes

Size 1TB 8X128GB

Show 24 more configurations
  • 1TB capacity with eight 128GB DDR5 modules for maximum server density
  • DDR5-4800 PC5-38400 speed matches the Supermicro H14SHM controller specification
  • Registered ECC RDIMM with 2Rx4 organisation offloads the controller and corrects single-bit errors
  • 10V operation at CL40 timing runs every slot fully populated at rated speed
  • Verified fitment for the Supermicro H14SHM motherboard using the required 288-pin form factor

Exact-match upgrade for Supermicro H14SHM

This 1 TB kit contains eight 128 GB DDR5 registered ECC RDIMMs rated at 4800 MT/s, CL40, 1.10 V, 2Rx4 organisation. The modules match the precise rank, voltage and timing the H14SHM memory controller expects so the server recognises the full capacity at rated speed. It is built for administrators who need maximum registered memory in a single validated package.

Thermals noise and power draw

Registered buffering reduces electrical load on the memory controller, allowing all slots to run fully populated at the standard 1.10 V without extra voltage. The modules ship without heat spreaders, relying on the server’s directed airflow for cooling. Power draw scales with the eight-module population; acoustic profile is dictated by the chassis fans, not the memory itself.

Build integration and constraints

The 288-pin RDIMM form factor fits only boards that require registered DDR5; it will not work in UDIMM or SODIMM slots. Population order and maximum supported capacity per slot are defined by the H14SHM manual and must be followed during installation. Buyers who need unbuffered memory, lower capacities per module, or a different DDR generation cannot use this kit.

Highlights

  • 1TB capacity with eight 128GB DDR5 modules for maximum server density
  • DDR5-4800 PC5-38400 speed matches the Supermicro H14SHM controller specification
  • Registered ECC RDIMM with 2Rx4 organisation offloads the controller and corrects single-bit errors
  • 10V operation at CL40 timing runs every slot fully populated at rated speed
  • Verified fitment for the Supermicro H14SHM motherboard using the required 288-pin form factor

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR38400-724K8
Capacity1TB (8 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 Content1TB 8X128GB DDR5 4800MHz PC5-38400 2Rx4 1.1V 288-PIN ECC RDIMM KIT

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Questions about this item

How do I install the 288-pin DDR5 RDIMM modules into the Supermicro H14SHM and what step is often missed?

Power down the server, open the chassis, and insert each 128GB module into the slots specified in the H14SHM manual following the exact population order; the step most often missed is seating the registered DIMMs until both ejector clips click, otherwise the memory controller will not recognise the full 1TB kit at 4800MHz.

What maintenance or replacement will this 1TB DDR5 ECC RDIMM kit need over its service life?

The modules have no heat spreaders and operate at 1.10V, so the only ongoing maintenance is keeping the server's airflow paths clean; if a single-bit error exceeds ECC correction, the affected 128GB RDIMM must be replaced, and the lifetime replacement warranty covers that swap.

What limit appears first when all eight 2Rx4 modules run sustained workloads at 4800MHz?

With every slot populated, the registered buffer and 1.10V operation keep electrical loading within spec, so the first practical limit is the motherboard's maximum supported capacity and population rules — verify those in the H14SHM manual before installing the full 1TB kit.

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