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Two green DDR5 RDIMM modules with black chips, no heat spreaders

NEMIX RAM

NEMIX RAM 128GB (2x64GB) DDR5 4800 CL40 2Rx4 1.1V ECC RDIMM memory upgrade for THINKMATE HDX-QN8-52E4

SKU CH-7T3C-7S4AE

128 GB DDR5 4800 CL40 ECC registered DIMM kit (2 × 64 GB, 2Rx4, 1.10 V) for Thinkmate HDX-QN8-52E4 servers

  • Total capacity128 GB (2 × 64 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 128 GB total capacity from two 64 GB modules
  • DDR5 4800 speed with PC5-38400 bandwidth rating
  • ECC registered design detects and corrects data errors
  • 2Rx4 dual-rank organisation for high-density server workloads
  • Low 1.10 V operating voltage reduces power draw

Purpose-built server memory kit

This NEMIX RAM kit delivers 128GB of DDR5 ECC RDIMM capacity across two 64GB modules. It is validated for the THINKMATE HDX-QN8-52E4 high-density server platform. The registered design and on-die ECC protect data integrity in mission-critical workloads. Buyers who need non-ECC or unbuffered DIMMs should look elsewhere.

Thermals noise and power profile

Operating at 1.1V, the modules draw minimal power for DDR5 4800 speed. No heat spreader is fitted, so airflow through the server chassis handles cooling directly. Registered buffering reduces electrical load on the memory controller. Silent operation is assured as there are no moving parts on the DIMMs themselves.

What the bundle changes

The kit includes two matched 64GB RDIMMs pre-tested as a pair for dual-channel stability. Each module carries a 2Rx4 organisation and CL40 latency at PC5-38400 rating. Rigorous stress testing under load is performed before shipping. No additional software, cables or mounting hardware are supplied or required.

How it compares

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

Price $3,128.99
Pricier than about 73% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (2 × 64 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $24.45 per GB
Pricier than about 69% 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 numberMR38400-924K2
Total capacity128 GB (2 × 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 items128 GB (2 × 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 288-pin DDR5 RDIMM modules into the THINKMATE HDX-QN8-52E4, and which step is most often missed?

Align the notch on each 64 GB module with the slot key, press straight down until both retention clips click, then verify in BIOS that all 128 GB are detected at 4800 MT/s; the step most often missed is fully seating both ends so the clips lock automatically.

What maintenance or replacement will the ECC registered RDIMM kit need during its service life?

No scheduled maintenance is required; if a module fails the ECC logic will log correctable errors, and the faulty 64 GB stick can be replaced individually under the lifetime replacement warranty.

What is the first limit that appears when the 2Rx4 DDR5 4800 CL40 kit runs sustained workloads?

The CAS latency of CL40 at 1.10 V sets the timing ceiling; under continuous load the memory controller will throttle before thermal limits because the modules have no heat spreader.

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