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Eight green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM 512GB 8x64GB DDR5 6400MHz CL52 2Rx4 1.1V ECC RDIMM memory upgrade

SKU CH-B3G1-27T7M

Eight 64 GB DDR5 RDIMMs deliver 512 GB of registered ECC memory at 6400 MHz CL52 for the Supermicro H14SSL-N

  • Total capacity512 GB (8 × 64 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 512GB 8X64GB

Show 24 more
  • 512 GB total capacity from eight 64 GB modules for maximum server density
  • DDR5 6400 speed with CL52 latency at 1.1 V for rated performance
  • Registered ECC RDIMM with 2Rx4 organisation offloads the controller and corrects single-bit errors
  • 288-pin form factor verified for Supermicro H14SSL-N motherboard compatibility
  • Major OEM Samsung, Micron or Hynix DRAM chips for enterprise-grade reliability

Exact-Match DDR5 Upgrade for Supermicro H14SSL-N

This 512GB kit provides eight 64GB DDR5-6400 RDIMMs built to the precise rank, voltage and timing the motherboard expects. Registered ECC architecture with 2Rx4 organisation lets every slot run fully populated at rated speed. System builders who need validated compatibility for this specific platform will find the modules recognised at full capacity immediately. Buyers whose boards require unbuffered UDIMMs or a different DDR generation cannot use this kit.

Thermals and Power Draw in Normal Use

Operating at 1.1V, the modules draw minimal power while the registered buffer reduces electrical load on the memory controller. No heat spreader is fitted, so airflow through the server chassis handles cooling without added bulk. Acoustic output remains governed by the system fans rather than the memory itself. Deployments that demand active component cooling or lower operating voltages will not be met by this design.

What the Bundle Changes

The eight-module kit arrives as a single matched set, eliminating the risk of mixing revision codes or timings across channels. Population order follows the Supermicro H14SSL-N manual, so installers can fill slots in the approved sequence without trial and error. Lifetime replacement coverage and US-based technical support back the purchase. Users who need pre-applied thermal pads, RGB lighting or overclocking profiles will not find them included.

How it compares

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

Price $18,380.99
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 $35.90 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

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Questions about this item

How do I install the 8x64GB DDR5 RDIMM kit in the Supermicro H14SSL-N, and which slot order do people get wrong?

Populate all eight 288-pin RDIMM slots following the motherboard manual's exact population sequence; the common mistake is skipping the prescribed order, which prevents the 512GB kit from being recognised at its full 6400MHz CL52 speed.

What maintenance or replacement will the 2Rx4 ECC RDIMM modules need over time?

No routine maintenance is required; ECC corrects single-bit errors automatically, and the modules are covered by a lifetime replacement warranty if a DIMM ever fails.

What limit appears first when the 512GB kit runs sustained workloads at 1.1V?

The registered buffer and ECC logic keep every slot stable at the rated 6400MHz CL52, so thermal throttling or voltage limits are not reached before the workload completes.

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