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Four green DDR5 RDIMM sticks, 288-pin, no heat spreaders, 512GB kit

NEMIX RAM

NEMIX RAM DDR5 4800 ECC RDIMM 512GB (4x128GB) Supermicro H14SHM memory upgrade

SKU CH-MWJ7-HD771

A 512 GB DDR5 ECC registered DIMM kit built for the Supermicro H14SHM, running at 4800 MT/s with CL40 latency and 1.1 V operation

  • Capacity512GB (4 x 128GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes

Size 512GB 4X128GB

Show 24 more configurations
  • 512GB total capacity with four 128GB modules for maximum server memory density
  • DDR5-4800 speed and CL40 latency deliver rated performance on the Supermicro H14SHM
  • Registered ECC architecture corrects single-bit errors and offloads the memory controller
  • 10V operation matches the platform's voltage requirement for stable full-population use
  • 288-pin RDIMM form factor fits the motherboard's DIMM slots and population rules

Exact-match DDR5 kit for Supermicro H14SHM

This 512GB kit delivers four 128GB DDR5-4800 registered ECC RDIMMs built to the precise rank, voltage and timing the H14SHM memory controller expects. The 2Rx4 organisation and 1.10V operation let every slot run fully populated at the rated 4800 MT/s without manual tuning.

Sustained-load behaviour with registered ECC

Registered architecture buffers each command so the memory controller stays stable when all four channels are heavily loaded for hours. ECC detects and corrects single-bit errors on the fly, preventing silent data corruption and unplanned reboots during long compute runs or database workloads. CL40 latency remains consistent because the registered design absorbs electrical loading across the full population.

Replaces partial or mixed-capacity configurations

The kit upgrades systems running smaller matched sets or mismatched modules that force the controller to downclock or limit capacity. It is not for boards that accept only unbuffered UDIMMs or that cap registered DIMM support below 512GB. Builders needing a different total capacity or a different motherboard platform should verify their manual before ordering.

Highlights

  • 512GB total capacity with four 128GB modules for maximum server memory density
  • DDR5-4800 speed and CL40 latency deliver rated performance on the Supermicro H14SHM
  • Registered ECC architecture corrects single-bit errors and offloads the memory controller
  • 10V operation matches the platform's voltage requirement for stable full-population use
  • 288-pin RDIMM form factor fits the motherboard's DIMM slots and population rules

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR38400-724K4
Capacity512GB (4 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 Content512GB 4X128GB DDR5 4800MHz PC5-38400 2Rx4 1.1V 288-PIN ECC RDIMM KIT

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Questions about this item

How much power does each 128 GB DDR5 4800 RDIMM draw at its rated 1.1 V?

Each module operates at 1.1 V; total kit power depends on the Supermicro H14SHM memory-controller load and population rules.

Does the Supermicro H14SHM motherboard need a specific BIOS version or CPU to recognise all four 2Rx4 RDIMMs?

The kit is spec-matched to the H14SHM's 288-pin RDIMM slots and population rules; consult the board manual for supported capacities and any required BIOS revision.

Can I mix these 2Rx4 CL40 modules with older DDR5 RDIMMs of different rank or latency in the same H14SHM?

Mixing ranks or timings is not recommended; the board's memory controller expects identical 2Rx4 CL40 modules in each populated channel for stable operation.

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