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Eight green circuit boards with black memory chips and gold contacts, no heat spreaders

NEMIX RAM

NEMIX RAM DDR5 768GB (8x96GB) 6400 CL52 2Rx4 ECC RDIMM memory upgrade

SKU CH-A5M0-J743T

768 GB DDR5 server kit with eight 96 GB ECC registered DIMMs at 6400 MT/s CL52 for ASRock Rack GENOA2D16NQM3-2Q

  • Total capacity768 GB (8 × 96 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 768GB 8X96GB

Show 4 more
  • Massive 768 GB capacity across eight 96 GB modules for memory-intensive workloads
  • DDR5-6400 speed with CL52 latency delivers rated throughput on compatible platforms
  • Registered ECC architecture offloads the controller and corrects single-bit errors automatically
  • 2Rx4 organisation at 1.1 V matches the motherboard's exact electrical requirements
  • 288-pin RDIMM form factor fits the ASRock Rack GENOA2D16NQM3-2Q motherboard precisely

Server Memory Kit

This 768GB kit contains eight 96GB DDR5 Registered ECC RDIMM modules built for the ASRock Rack GENOA2D16NQM3-2Q motherboard. It targets administrators who must populate every slot with the exact rank, voltage and timing the platform expects.

Verified Fitment

The modules match the board's 288-pin RDIMM requirement and DDR5 6400 PC5-51200 specification so the memory controller recognises full capacity at rated speed. Registered buffering offloads the controller while ECC corrects single-bit errors before they affect production workloads.

Build and Connectors

Each module operates at 1.10V with CL52 latency in a 2Rx4 organisation using major OEM chips and no heat spreader. The 288-pin Registered form factor fits only motherboards wired for RDIMM population rules; it will not work in 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 $22,047.99
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 $28.71 per GB
Pricier than about 81% 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
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 systemsASRock Rack
In the box
Included items768 GB 8 × 96 GB DDR5 6400 MHz PC5-51200 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

Will the 96 GB 2Rx4 RDIMM modules need any firmware updates or scheduled replacement?

The modules ship as a matched 8 x 96 GB kit with 2Rx4 organization and 1.10 V operation; no firmware updates are required and DDR5 RDIMMs have no user-serviceable wear parts, so they remain in service until a capacity upgrade is desired.

What limit appears first when all eight slots run DDR5 6400 continuously?

With CL52 timing at 6400 MT/s the memory controller’s thermal and electrical envelope is reached before any module-level throttle, so sustained full-population throughput is bounded by the platform’s cooling and power delivery rather than the DIMMs themselves.

How much heat and power does the 768 GB kit produce at 1.1 V under 24/7 load?

Each 96 GB RDIMM draws 1.10 V without a heat spreader; total kit power scales with all eight ranks active, and because the modules are unbuffered for airflow the chassis fan curve determines the steady-state temperature.

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