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Green circuit board with black memory chips, no heat spreader, 288 gold pins along bottom edge

NEMIX RAM

NEMIX RAM 64GB DDR5 4800 CL40 2Rx4 1.1V ECC RDIMM Supermicro H13DSG-O-CPU-D memory upgrade

SKU CH-78K2-Y5KDV

64 GB DDR5 4800 registered ECC RDIMM with CL40 timing and 1.1 V operation for Supermicro H13DSG-O-CPU-D motherboards

  • Capacity64GB
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes

Size 64GB

Show 30 more configurations
  • 64 GB DDR5 capacity scales server workloads without extra slots
  • 4800 MT/s speed keeps data flowing at rated throughput
  • CL40 latency and 1.1 V voltage match controller expectations exactly
  • 2Rx4 registered ECC design offloads the memory controller and corrects single-bit errors
  • 288-pin RDIMM form factor fits the Supermicro H13DSG-O-CPU-D motherboard

Supermicro H13DSG-O-CPU-D DDR5 upgrade

This 64 GB DDR5-4800 registered ECC RDIMM is built to the exact rank, voltage and timing the Supermicro H13DSG-O-CPU-D motherboard expects. It installs as a single 288-pin module and is recognised at full capacity and rated speed.

Population rules and registered architecture

The board requires 288-pin RDIMM modules; UDIMM or SODIMM variants will not fit. Registered buffering offloads the memory controller so every populated slot runs at 4800 MT/s, while on-die ECC corrects single-bit errors before they reach production workloads.

Replacing slower or smaller DDR5 RDIMMs

Swapping out lower-capacity or lower-speed DDR5 RDIMMs adds 64 GB per slot and lifts bandwidth to PC5-38400 without changing voltage. The jump is worthwhile when the manual confirms the target population order and the workload needs maximum registered DIMM density.

Highlights

  • 64 GB DDR5 capacity scales server workloads without extra slots
  • 4800 MT/s speed keeps data flowing at rated throughput
  • CL40 latency and 1.1 V voltage match controller expectations exactly
  • 2Rx4 registered ECC design offloads the memory controller and corrects single-bit errors
  • 288-pin RDIMM form factor fits the Supermicro H13DSG-O-CPU-D motherboard

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR38400-924K1
Capacity64GB
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 Content64GB DDR5 4800MHz PC5-38400 2Rx4 1.1V 288-PIN ECC RDIMM KIT

Other versions of this model

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Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

Will the CL40 latency hold steady when all slots are populated on the Supermicro H13DSG-O-CPU-D?

Yes, the registered 2Rx4 design offloads the memory controller so every slot runs at the rated DDR5-4800 CL40 timing even in a full population.

Does the module run hot or draw extra power during 24/7 server workloads?

At 1.1 V with no heat spreader the DIMM stays within standard DDR5 power limits and relies on normal chassis airflow for cooling.

Do I need a Supermicro H13DSG-O-CPU-D motherboard for this 64 GB kit to work?

The kit is validated for that exact board; other systems must support DDR5-4800 288-pin registered ECC with 2Rx4 rank and 1.1 V operation.

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