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Twelve green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM DDR5 6400 ECC RDIMM 192GB 12x16GB CL52 1.1V Supermicro H13SSL-NT memory upgrade

SKU CH-CR4Y-7SX5Y

192GB DDR5 6400 ECC RDIMM kit of twelve 16GB modules at 1.1V CL52, validated for the Supermicro H13SSL-NT motherboard

  • Total capacity192 GB (12 × 16 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 192 GB total capacity from twelve 16 GB modules
  • DDR5 6400 speed with CL52 latency runs at rated frequency
  • Registered ECC design corrects single-bit errors on the fly
  • 1 V operation matches the Supermicro H13SSL-NT memory controller
  • 288-pin RDIMM form factor fits the board's DIMM slots exactly

192GB DDR5-6400 RDIMM kit

This 192GB kit contains twelve 16GB DDR5-6400 registered ECC modules built for the Supermicro H13SSL-NT motherboard. Each DIMM operates at 1.1V with CL52 latency and a 1Rx8 rank structure. The registered design matches the board's memory controller requirements for full-capacity recognition at rated speed.

DDR5-6400 registered ECC limits

DDR5-6400 (PC5-51200) sets the maximum data rate this kit can deliver on the platform. The registered buffer adds one cycle of latency but allows every slot to be populated without signal degradation. ECC corrects single-bit errors on the fly, yet it cannot fix multi-bit failures or replace a sound backup strategy.

288-pin RDIMM build implications

Modules lack heat spreaders, so airflow across the 288-pin connectors must be maintained by the chassis fans. The registered form factor is keyed differently from unbuffered DIMMs, preventing accidental insertion into desktop boards. Population order follows the motherboard manual; incorrect sequencing will halt POST.

How it compares

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

Price $6,106.99
Pricier than about 82% of the 21,161 comparable items (median $397.99).
Total capacity 192 GB (12 × 16 GB)
Higher than about 75% of the 20,941 comparable items (median 32 GB).
Price per GB $31.81 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 numberMR51200-618K12
Total capacity192 GB (12 × 16 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 rank1Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items192 GB 12 × 16 GB DDR5 6400 MHz PC5-51200 1Rx8 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

Should I choose the 12 x 16 GB kit or a different capacity for my Supermicro H13SSL-NT?

This kit provides 192 GB across 12 modules of 16 GB each, matching the board's DDR5-6400 RDIMM population rules for full-capacity operation.

What does the DDR5-6400 rating mean once the modules are installed in the server?

The memory controller will run the kit at 6400 MT/s (PC5-51200) with CL52 latency at 1.1 V, delivering the rated throughput when all 12 slots are populated.

How does the 288-pin RDIMM interface and registered ECC design affect real-world use?

The registered buffer reduces electrical load on the memory controller so every slot runs at full speed, while ECC corrects single-bit errors on the fly to prevent silent data corruption.

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