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Eight green DDR5 RDIMM sticks without heat spreaders in a row

NEMIX RAM

NEMIX RAM 512GB 8x64GB DDR5 6400 CL52 1.1V 2Rx4 ECC RDIMM Supermicro H14SSL-NT memory upgrade

SKU CH-5TZ3-380CG

512GB DDR5 6400 CL52 ECC registered RDIMM kit in eight 64GB modules at 1.1V for Supermicro H14SSL-NT

  • Total capacity512 GB (8 × 64 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 512 GB total capacity from eight 64 GB modules for high-density server workloads
  • DDR5-6400 speed with CL52 latency delivers rated throughput for Supermicro H14SSL-NT
  • Registered ECC RDIMM architecture offloads the controller and corrects single-bit errors
  • 10 V operating voltage matches the board's memory-controller specification exactly
  • 288-pin 2Rx4 form factor validated for full-slot population on the target motherboard

Exact-match DDR5 RDIMM kit for Supermicro H14SSL-NT

This NEMIX RAM kit delivers 512 GB across eight 64 GB DDR5-6400 registered ECC modules built to the board's precise 2Rx4, 1.1 V, CL52 specification. It targets administrators upgrading Supermicro H14SSL-NT servers who need full-capacity, single-sku population without mixing ranks or voltages.

Registered ECC architecture

Registered buffering reduces electrical load on the memory controller so all eight slots run at rated speed, while on-die ECC corrects single-bit errors before they reach applications. The kit ships as a validated 8 x 64 GB set, eliminating the guesswork of sourcing individual DIMMs that might differ in rank layout or timing.

Verify DIMM population order

Supermicro H14SSL-NT memory rules dictate which slots fill first and the total capacity the platform accepts; consult the motherboard or system manual for the approved sequence and any BIOS version requirements before installing. This kit is DDR5 RDIMM only and will not fit UDIMM or SODIMM slots.

How it compares

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

Price $18,169.99
Pricier than about 91% of the 21,161 comparable items (median $397.99).
Total capacity 512 GB (8 × 64 GB)
Higher than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $35.49 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 numberMR51200-924K8
Total capacity512 GB (8 × 64 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 rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items512 GB 8 × 64 GB DDR5 6400 MHz PC5-51200 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

Will the 1.1V DDR5 modules need active cooling or replacement over time?

These RDIMMs run at 1.1V without heat spreaders; server chassis airflow is the only cooling required and no scheduled replacement is needed.

What limits sustained throughput when all eight slots are populated at 6400?

The memory controller on the H14SSL-NT sets the ceiling; registered buffering keeps every slot stable at the rated 6400 speed.

How much extra power and heat do the 8x64GB sticks add under 24/7 load?

At 1.1V the kit draws minimal incremental power and produces negligible heat compared to the CPU and VRM zones.

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