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Eight green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM 768GB (8 x 96GB) DDR5 6400MHz CL52 1.1V ECC RDIMM Supermicro SYS-822GS-NB3RT memory upgrade

SKU CH-3X1E-96AEP

A 768 GB DDR5 ECC registered server kit of eight 96 GB modules at 6400 MHz CL52, built for the Supermicro SYS-822GS-NB3RT

  • Total capacity768 GB (8 × 96 GB)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • Memory rank2Rx4
  • 768GB total capacity from eight 96GB modules
  • DDR5 6400MHz speed with CL52 latency
  • ECC RDIMM registered design for data integrity
  • 1V operating voltage for efficient power use
  • 288-pin DDR5 form factor built for Supermicro SYS-822GS-NB3RT

768GB DDR5 ECC RDIMM kit for Supermicro

This 768GB kit contains eight 96GB DDR5 registered DIMMs built for the Supermicro SYS-822GS-NB3RT server. Each module runs at 6400MHz with a CAS latency of 52 and operates at 1.1V. The 2Rx4 organisation and on-die ECC suit workloads that require data integrity and high capacity.

Thermals and power at 1.1V

The modules operate at the standard DDR5 voltage of 1.10V, keeping power draw low for dense memory configurations. No heat spreaders are fitted, so airflow across the 288-pin DIMMs handles cooling in the server chassis. Registered buffering reduces electrical load on the memory controller during sustained operation.

Build and daily handling

Eight 288-pin RDIMMs ship as a matched kit, simplifying installation in all populated slots. The registered design adds a clock cycle of latency but improves signal integrity at this capacity. Buyers needing non-ECC memory or consumer UDIMM form factors cannot use this kit.

How it compares

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

Price $22,861.99
Pricier than about 92% of the 21,161 comparable items (median $397.99).
Total capacity 768 GB (8 × 96 GB)
Higher than about 92% of the 20,941 comparable items (median 32 GB).
Price per GB $29.77 per GB
Pricier than about 85% 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 numberMR51200-9624K8
Total capacity768 GB (8 × 96 GB)
Product type288-Pin DDR5 RDIMM
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL52
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank2Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items768 GB (8 × 96 GB) DDR5 6400 MHz PC5-51200 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

How do I install the 8 x 96GB DDR5 RDIMM modules in the Supermicro SYS-822GS-NB3RT and which step is commonly missed?

Power down the server, open the chassis, align each 288-pin module with the keyed slot, press firmly until both retention clips lock, then verify in BIOS that all 768GB are detected at 6400MHz CL52; the step often missed is seating every module fully so both clips engage.

What maintenance or replacement will the 768GB DDR5 ECC RDIMM kit need over time?

The modules have no heat spreaders and no moving parts, so no scheduled maintenance is required; replacement is only necessary if a DIMM fails, which the ECC function will flag through corrected error counts in the system logs.

What limit appears first when the 8 x 96GB 2Rx4 DDR5 6400MHz kit runs sustained workloads?

The registered 2Rx4 design and 1.10V operation keep thermal output low, so the first practical limit is the memory controller's maximum supported capacity and speed rather than module overheating or voltage throttling.

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