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Sixteen green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM 512GB (16×32GB) DDR5 4800 ECC RDIMM Supermicro H14DSG-O-CPU

SKU CH-STG4-2VMPQ

512GB DDR5-4800 ECC Registered RDIMM kit with 16×32GB modules at 1.1V CL40 for Supermicro H14DSG-O-CPU

  • Total capacity512 GB (16 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 512GB 16X32GB

Show 30 more
  • 512 GB total capacity with sixteen 32 GB modules for dense server workloads
  • DDR5 4800 speed rated at PC5-38400 bandwidth for high throughput
  • CL40 latency at 1.1 V operation for efficient registered performance
  • ECC registered 2Rx8 design corrects single-bit errors under full population
  • Verified fitment for Supermicro H14DSG-O-CPU motherboard 288-pin RDIMM slots

System-specific 512GB DDR5 kit

This 512GB kit contains 16 modules of 32GB DDR5 4800 ECC Registered RDIMM built for the Supermicro H14DSG-O-CPU motherboard. It matches the board's required 2Rx8 rank, 1.10V voltage and CL40 timing so the memory controller recognises full capacity at rated speed. The Registered architecture buffers signals to keep every slot stable when fully populated.

Registered ECC stability at 1.10V

Registered buffering offloads the memory controller while on-die ECC corrects single-bit errors before they reach production workloads. Each module runs at the standard DDR5 1.10V with no heat spreader, relying on server chassis airflow for thermal management. Power draw follows the DDR5 4800 specification for 2Rx8 registered modules.

16-module population kit

The package delivers exactly 16 matched 288-pin RDIMMs so installers can follow the motherboard's population rules without mixing kits. No extra software, cables or cooling accessories are included. Builders needing fewer than 16 modules or a different form factor should select another kit.

How it compares

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

Price $15,506.99
Pricier than about 91% of the 21,161 comparable items (median $397.99).
Total capacity 512 GB (16 × 32 GB)
Higher than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $30.29 per GB
Pricier than about 86% 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 numberMR38400-328K16
Total capacity512 GB (16 × 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 items512 GB 16 × 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 16 DDR5 RDIMMs in the Supermicro H14DSG-O-CPU and what population order does the board require?

Fill all 16 slots following the motherboard manual's exact DIMM population sequence; each 2Rx8 288-pin module must sit in its designated channel so the memory controller recognises the full 512GB at DDR5 4800.

What maintenance or replacement will this 512GB DDR5 ECC RDIMM kit need over its service life?

No scheduled maintenance is required; ECC corrects single-bit errors automatically, and the modules are covered by a lifetime replacement warranty if a DIMM ever fails.

What limit appears first when all 16 modules run sustained workloads at DDR5 4800?

The memory controller's maximum supported capacity and ranked population limit governs sustained throughput; the kit's 2Rx8 organisation and 1.1V operation stay within that boundary.

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