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Twelve green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM DDR5 576GB 12x48GB 6400MHz CL52 1.1V ECC RDIMM Supermicro H14SST-GE

SKU CH-VZ5V-AR023

A 576GB DDR5 ECC registered memory kit with twelve 48GB modules running at 6400MHz CL52 and 1.1V, validated for the Supermicro H14SST-GE 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
  • 576 GB total capacity from twelve 48 GB modules for maximum server memory density
  • DDR5 6400 MT/s speed with CL52 latency delivers rated throughput for demanding workloads
  • Registered ECC design with 2Rx8 organisation corrects single-bit errors and stabilises fully populated slots
  • 1 V operating voltage matches the Supermicro H14SST-GE memory controller specification exactly
  • 288-pin RDIMM form factor ensures correct physical and electrical fit in the target motherboard

Exact-fit server memory kit

This 576GB kit delivers twelve 48GB DDR5 RDIMMs tuned for the Supermicro H14SST-GE motherboard. Registered ECC modules with 2Rx8 organisation satisfy the board's population rules and memory-controller expectations. The CL52 timing and 1.10V operation match the platform's qualified specification.

Thermals noise and power

Low-voltage DDR5 at 1.10V reduces per-module power draw compared with higher-voltage server memory. No heat spreaders are fitted, so airflow across the bare PCB handles thermal dissipation in a populated chassis. Registered buffering lightens the electrical load on the memory controller when all twelve slots are occupied.

Build integration needs

Twenty-eight-eight-pin RDIMM form factor fits only motherboards wired for registered ECC DDR5; it will not seat in UDIMM or SODIMM slots. Twelve modules require a board with twelve compatible DIMM slots and a memory controller that supports full-rank population at 6400 MT/s. Consult the system manual for approved population order and maximum supported capacity before installation.

How it compares

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

Price $13,267.99
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 $23.03 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

How do I install the 12 DDR5 RDIMMs on the Supermicro H14SST-GE and which step is often missed?

Populate all 12 slots following the board's DIMM population order in the manual; the step often missed is verifying the exact slot sequence for 12 x 48 GB 2Rx8 modules so the memory controller recognises the full 576 GB at DDR5 6400.

What maintenance or replacement will the NEMIX RAM kit need over its service life?

The modules have no heat spreaders and no moving parts; maintenance is limited to keeping server airflow clean. Replacement is only required if a module fails, covered by the lifetime replacement warranty.

What limit appears first when the 576 GB kit runs sustained workloads at DDR5 6400 CL52?

The registered ECC architecture offloads the memory controller, so the first limit is typically the platform's maximum supported capacity or thermal envelope rather than the DRAM itself.

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