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Twelve bare green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM MR38400-924K12 768GB (12x64GB) DDR5 4800 CL40 ECC RDIMM memory upgrade

SKU CH-PY17-73BAW

Twelve 64 GB DDR5 ECC RDIMM modules deliver 768 GB at 4800 MT/s CL40 for SuperMicro X13SET-G and X13SET-GC motherboards

  • Total capacity768 GB (12 × 64 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 768 GB total capacity from twelve 64 GB modules
  • DDR5 4800 speed with PC5-38400 bandwidth rating
  • ECC registered design detects and corrects data errors
  • Low 1.1 V operation reduces server power draw
  • Validated for SuperMicro X13SET-G and X13SET-GC motherboards

Server ECC RDIMM kit

This NEMIX RAM kit provides 768 GB of DDR5 registered ECC memory in a matched 12-module set. Each module is a 64 GB 2Rx4 RDIMM rated at 4800 MT/s with CL40 latency and 1.1 V operation. The kit targets Supermicro X13SET-G and X13SET-GC motherboards for server and workstation deployments.

Suited for high-capacity servers

The 12-slot population fills a full memory complement on compatible dual-socket boards, giving maximum registered ECC capacity for virtualisation, database or compute workloads. Buyers needing non-ECC UDIMMs, lower voltages or consumer desktop form factors should look elsewhere because this product is strictly registered server memory.

Handles large memory workloads

Twelve 64 GB modules deliver 768 GB total, providing headroom for multi-tenant virtualisation and large in-memory datasets. The CL40 timing at 4800 MT/s sets the latency floor; workloads sensitive to lower latency or higher frequency will hit that limit. No heat spreaders are included, so airflow across the 288-pin RDIMMs must be managed by the chassis.

How it compares

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

Price $19,238.99
Pricier than about 91% of the 21,161 comparable items (median $397.99).
Total capacity 768 GB (12 × 64 GB)
Higher than about 92% of the 20,941 comparable items (median 32 GB).
Price per GB $25.05 per GB
Pricier than about 70% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineSuperMicro Server/Workstation Compatible Series Memory
Model nameSuperMicro DDR5 4800 MHz ECC RDIMM Registered Server Memory
Part numberMR38400-924K12
Total capacity768 GB (12 × 64 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank2Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items768 GB (12 × 64 GB) DDR5 4800 MHz PC5-38400 2Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

What motherboard and CPU combination do I need to run this 12-module 768 GB DDR5 4800 CL40 ECC RDIMM kit?

You need a SuperMicro X13SET-G or X13SET-GC motherboard with a CPU that supports DDR5 4800 registered ECC memory and twelve 288-pin RDIMM slots.

Can I keep my existing DDR5 4800 ECC RDIMMs and add this 12x64 GB kit alongside them?

Mixing is possible only if the other modules are also 1.1 V CL40 2Rx4 registered ECC RDIMMs; otherwise the system will default to the slowest common timing or fail to post.

How can I verify the full 768 GB is detected and running at 4800 MT/s with CL40 after installation?

Check the BIOS memory information screen or run a tool such as dmidecode to confirm twelve 64 GB modules at 4800 MT/s, 1.1 V, CAS latency 40, and ECC active.

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