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Four green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM DDR5 128GB 4x32GB 6400 CL52 1.1V ECC RDIMM Supermicro H14DSG-OM memory upgrade

SKU CH-9YBN-RGZ8D

A 128 GB kit of four 32 GB DDR5-6400 ECC RDIMMs at CL52 and 1.1 V, built to the exact rank and timing the Supermicro H14DSG-OM motherboard expects

  • Total capacity128 GB (4 × 32 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 128 GB capacity from four 32 GB modules for high-density server workloads
  • DDR5 6400 speed with CL52 latency for responsive data throughput
  • Registered ECC architecture corrects single-bit errors to prevent silent corruption
  • 1 V operating voltage reduces power draw at full load
  • 288-pin RDIMM form factor matches Supermicro H14DSG-OM memory slots

Supermicro H14DSG-OM 128GB DDR5 Kit

This kit delivers 128GB of DDR5 memory in four 32GB registered ECC RDIMMs built for the Supermicro H14DSG-OM motherboard. It targets administrators who need full-capacity population on a server board that requires registered modules with error correction.

DDR5 6400 Registered ECC Limits

The modules run at DDR5 6400 (PC5-51200) with CL52 latency at 1.1V. Registered buffering allows all slots to operate at rated speed when fully populated, while ECC corrects single-bit errors to prevent silent data corruption in production workloads.

288-Pin RDIMM Build And Daily Use

Major-brand DRAM chips from Samsung, Micron or Hynix are assembled without heat spreaders to fit dense server DIMM layouts. The 288-pin registered form factor matches the board's keying and population rules, so each module seats correctly in the designated slot order.

How it compares

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

Price $5,084.99
Pricier than about 80% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (4 × 32 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $39.73 per GB
Pricier than about 90% 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 numberMR51200-328K4
Total capacity128 GB (4 × 32 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 6400 (PC5 51200)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL52
ECC supportYes
Buffer typeRegistered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items128 GB 4 × 32 GB DDR5 6400 MHz PC5-51200 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

Should I choose the 128GB 4x32GB kit or a different capacity for my Supermicro H14DSG-OM?

The 128GB kit provides four 32GB modules that match the board's 288-pin RDIMM slots and population rules; other capacities would need the same registered ECC DDR5 spec to work correctly.

What does the DDR5 6400 speed mean once installed in the server?

The modules run at 6400 MT/s with CL52 latency at 1.1V, delivering the rated PC5-51200 bandwidth when the memory controller is fully populated with registered ECC DIMMs.

How does the 288-pin RDIMM interface cap performance in practice?

The registered 288-pin DDR5 interface offloads the memory controller, allowing all four slots to operate at 6400 MT/s with ECC error correction while maintaining signal integrity at full capacity.

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