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Twelve green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM 576GB 12x48GB DDR5 6400 CL52 1.1V ECC RDIMM Kit Supermicro H14DSG-OD

SKU CH-JCAP-QEKDQ

576 GB DDR5-6400 ECC registered kit with twelve 48 GB modules at 1.1 V and CL52, validated for the Supermicro H14DSG-OD motherboard

  • Total capacity576 GB (12 × 48 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 576GB total capacity from 12 matched 48GB modules for maximum server density
  • DDR5 6400 speed with CL52 latency delivers rated bandwidth at 1.1V
  • Registered ECC RDIMM architecture offloads the controller and corrects single-bit errors
  • Exact-fit 288-pin kit validated for Supermicro H14DSG-OD memory population rules
  • Lifetime replacement coverage with US-based technical support included

Capacity and fitment

This 576GB kit delivers 12 modules of 48GB each as DDR5 6400 RDIMMs with ECC and registered buffering at 1.10V and CL52 latency. It is built for the Supermicro H14DSG-OD motherboard and matches the exact rank, voltage and timing that board expects.

Upgrade path

The kit replaces smaller DDR5 RDIMM configurations or mixed-capacity sets that prevent full-channel population at rated speed. The jump is worth it when all 12 slots must run at 6400 MT/s with registered ECC stability and no downclocking caused by population rules.

DDR5 interface limits

DDR5 registered DIMMs require a motherboard that supports the 288-pin RDIMM form factor and the specific population order documented for this platform. Boards limited to UDIMM or SODIMM slots cannot accept these modules, and exceeding the approved slot count will prevent boot or force reduced speeds.

How it compares

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

Price $13,133.99
Pricier than about 90% of the 21,161 comparable items (median $397.99).
Total capacity 576 GB (12 × 48 GB)
Higher than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $22.80 per GB
Pricier than about 68% 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 numberMR51200-4828K12
Total capacity576 GB (12 × 48 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 items576 GB 12 × 48 GB DDR5 6400 MHz PC5-51200 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

Will these 288-pin DDR5 RDIMMs physically fit the Supermicro H14DSG-OD motherboard?

Yes, the 12 modules are 288-pin DDR5 RDIMMs, the exact form factor the H14DSG-OD requires. UDIMMs or SODIMMs will not seat in these slots.

What is the correct population order for all 12 slots on the H14DSG-OD?

The motherboard manual defines the approved DIMM population sequence; follow that order exactly so the memory controller recognises the full 576 GB at DDR5-6400.

Do these registered ECC modules need any firmware updates or periodic maintenance?

No firmware updates are required for the memory itself; ECC error correction runs automatically. Replace a module only if the system logs uncorrectable errors.

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