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Two green DDR5 RDIMM modules, bare circuit boards with black chips, 288 pins each

NEMIX RAM

NEMIX RAM 64GB (2x32GB) DDR5 4800 CL40 ECC RDIMM Supermicro H14DSG-OD

SKU CH-V737-MG6ZX

64GB dual-rank DDR5 ECC registered DIMM kit validated for the Supermicro H14DSG-OD motherboard

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 64GB 2X32GB

Show 30 more
  • 64 GB total capacity for high-density server workloads using two 32 GB modules
  • DDR5 4800 speed with CL40 latency for rated bandwidth on supported platforms
  • ECC and registered design corrects single-bit errors and offloads the memory controller
  • 1 V operation at 2Rx8 rank matches the motherboard's electrical requirements
  • 288-pin RDIMM form factor verified for the Supermicro H14DSG-OD motherboard

Server Memory Kit for Supermicro H14DSG-OD

This 64GB kit contains two 32GB DDR5 RDIMM modules built for the Supermicro H14DSG-OD motherboard. It delivers the exact registered ECC configuration the platform expects so the system recognises full capacity at rated speed. Administrators upgrading compatible servers can install this matched pair without manual tuning. Builders using desktop boards or unbuffered slots cannot use this memory.

Thermal and Power Characteristics

Each module operates at 1.10V and uses a 2Rx8 organisation with no heat spreader attached. The registered design reduces electrical load on the memory controller when every slot is populated. Under normal server workloads the modules run within standard DDR5 thermal limits for passively cooled chassis airflow. No active cooling or additional voltage is required.

Decisive Specification

The kit is validated for the Supermicro H14DSG-OD motherboard and provides 288-pin DDR5 4800 RDIMM modules with CL40 timing and ECC registered operation. This exact combination of form factor, rank, voltage and registration is what determines compatibility. Systems that require UDIMM, SODIMM, non-ECC or a different DDR generation will not accept these modules.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $1,914.99
Pricier than about 68% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB (2 × 32 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $29.92 per GB
Pricier than about 85% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineNEMIX RAM Original Series Server Memory
Model nameDDR5 ECC RDIMM Registered Server Memory
Part numberMR38400-328K2
Total capacity64 GB (2 × 32 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items64 GB 2 × 32 GB DDR5 4800 MHz PC5-38400 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

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Questions about this item

How do I install these 288-pin RDIMMs in the Supermicro H14DSG-OD, and which population rule is most often missed?

Power down, open the chassis, and seat each module in the slots listed first in the motherboard manual; the step most often missed is following the exact DIMM population order required for multi-channel operation.

What maintenance or replacement will this 64GB kit need during its service life?

No routine maintenance is required; the modules have no heat spreader and run at 1.1V, so only a failed stick would need replacement under the lifetime warranty.

What limit appears first when this DDR5-4800 CL40 kit runs sustained workloads?

The CL40 latency at 4800 MT/s sets the throughput ceiling; registered buffering and ECC add overhead, so sustained bandwidth tops out at the rated PC5-38400 specification.

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