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Eight green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM 512GB 8x64GB DDR5 6400 CL52 1.1V ECC Registered RDIMM Kit Supermicro H13SST-G memory upgrade

SKU CH-54ZT-0AECJ

Eight 64 GB DDR5 6400 CL52 registered ECC RDIMMs at 1.1 V for the Supermicro H13SST-G

  • 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 capacity across eight 64 GB modules for maximum server density
  • DDR5 6400 speed with CL52 latency delivers rated bandwidth at 1.1 V
  • Registered ECC RDIMM design enables full-slot population and single-bit error correction
  • 2Rx4 dual-rank organisation matches the memory controller timing requirements
  • Validated for Supermicro H13SST-G motherboard with 288-pin RDIMM form factor

Exact-match server upgrade

This 512 GB kit delivers eight 64 GB DDR5 registered ECC RDIMMs built for the Supermicro H13SST-G motherboard. It targets administrators who need the full 512 GB capacity recognised at rated speed without manual tuning. The modules use the precise rank, voltage and timing the board's memory controller expects. Buyers needing a different capacity, form factor or consumer platform should look elsewhere.

Thermals power and noise

Operating at 1.1 V, the modules draw minimal power for their density and run without heat spreaders in airflow-managed server chassis. Registered buffering reduces electrical load on the memory controller, helping maintain stable thermals across all populated slots. No active cooling is present, so adequate chassis airflow is required. Systems without forced-air server cooling may not meet thermal targets.

The capacity that decides fit

The kit provides 512 GB in an eight-module 2Rx4 configuration at DDR5 6400 CL52. This exact capacity and rank layout must match the motherboard's qualified-vendor list and population rules for full-speed operation. Verify the supported maximum per slot and total system limit before purchase. If your board caps total memory lower, this kit will not function as intended.

How it compares

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

Price $17,113.99
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 $33.43 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

How do I install the 288-pin DDR5 RDIMM modules in the Supermicro H13SST-G and what step is often missed?

Power down the server, open the chassis, and insert each 64 GB module into the slots specified by the motherboard manual until the ejector clips lock; the step often missed is following the exact population order required for all eight slots to train at 6400 MT/s.

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

The modules have no moving parts and no heat spreader, so no routine maintenance is required; replacement is only needed if a DIMM fails, which is covered by the lifetime replacement warranty.

What limit appears first when the 2Rx4 registered ECC kit runs sustained workloads at 1.10 V?

The registered buffer and on-die ECC keep signal integrity stable, so the first practical limit is the motherboard's maximum supported capacity and slot population rules rather than a thermal or voltage ceiling on the modules themselves.

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