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NEMIX RAM

NEMIX RAM 768GB (12x64GB) DDR5 4800 CL40 ECC RDIMM THINKMATE GPX-XH8-22S4-8GPU GPU-Optimized memory upgrade

SKU CH-9A7N-NSB9Q

768 GB DDR5 ECC registered memory kit with twelve 64 GB modules at 4800 MT/s CL40 for the ThinkMate GPX-XH8-22S4-8GPU server

  • 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 MT/s registered ECC for data integrity
  • 10 V operation reduces server power draw
  • 2Rx4 dual-rank layout maximises density per slot
  • 288-pin RDIMM form factor fits ThinkMate GPX-XH8-22S4-8GPU

System-Specific DDR5 Kit

This 768GB kit contains twelve 64GB registered DDR5 modules built for the Thinkmate GPX-XH8-22S4-8GPU GPU-optimised server. It targets administrators who need maximum memory capacity for large-scale compute or virtualisation workloads. The ECC RDIMM design supports error correction and signal integrity in dense configurations. Each module runs at DDR5 4800 with CL40 latency.

Thermals and Power Profile

Modules operate at 1.10V without integrated heat spreaders, relying on chassis airflow for cooling. Registered buffering reduces electrical load on the memory controller, helping maintain stability across all twelve slots. Power draw scales with population density, so adequate case ventilation is required for sustained GPU-accelerated tasks. No active cooling components are included on the DIMMs.

Upgrade Scope and Fit

This kit replaces lower-capacity DDR5 RDIMM sets or fills empty slots in the qualified Thinkmate platform to reach the full 768GB limit. The jump is worthwhile when workloads exceed current memory headroom, such as multi-GPU training, in-memory databases or dense VM hosting. It is not suited for consumer desktop boards, non-ECC platforms or systems limited to fewer than twelve DIMM slots.

How it compares

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

Price $20,063.99
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 $26.12 per GB
Pricier than about 72% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineTHINKMATE Server/Workstation Compatible Series Memory
Model nameTHINKMATE 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 systemsTHINKMATE
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

How do I install the 12x64GB DDR5 4800 CL40 ECC RDIMM kit in the ThinkMate GPX-XH8-22S4-8GPU and what step is often missed?

Power down, open the chassis, align each 288-pin module with the keyed slot, press firmly until both locking tabs click, then verify all 12 modules appear at 4800 MT/s in BIOS; the step often missed is seating every module evenly so the registered buffer initialises correctly.

What maintenance or replacement will this 768GB DDR5 ECC registered kit need over its service life?

No routine maintenance is required; ECC corrects single-bit errors on the fly, but if a module develops uncorrectable errors the system will log the fault and the individual 64GB RDIMM must be replaced.

What limit appears first when this 12x64GB DDR5 4800 CL40 kit runs sustained workloads on the ThinkMate GPX-XH8-22S4-8GPU?

The memory controller’s maximum supported speed of 4800 MT/s and the CL40 latency ceiling are reached before bandwidth or thermal limits, so sustained throughput caps at the rated PC5-38400 data rate.

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