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Two green DDR5 RDIMM modules with black chips, no heat spreaders, 288 pins

NEMIX RAM

NEMIX RAM 32GB (2x16GB) DDR5 4800 ECC RDIMM CL40 1.1V 288-Pin THINKMATE Server Memory Upgrade

SKU CH-C4MQ-S19QM

32 GB dual-rank DDR5-4800 ECC registered DIMM kit for Thinkmate servers

  • Total capacity32 GB (2 × 16 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 32 GB capacity with two 16 GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • ECC registered design detects and corrects data errors
  • 1 V operation reduces server power draw
  • Validated for Thinkmate HDX-QN8-52E4 high-density servers

Targeted Server Upgrade

This NEMIX RAM kit delivers 32GB of DDR5 4800 ECC registered memory in two 16GB modules. It is built for THINKMATE HDX-QN8-52E4 high-density servers that require registered DIMMs with error correction. The CL40 latency and 1.1V operation match the platform specifications. Buyers needing unbuffered memory or non-ECC modules for consumer platforms cannot use this kit.

Build Integration

Each 288-pin RDIMM installs directly into the server's DDR5 slots without additional hardware. The registered design reduces electrical load on the memory controller, allowing the platform to populate more slots per channel. The 1Rx8 organisation and PC5-38400 rating align with the system's qualified vendor list. Systems that do not support registered ECC DDR5 will not accept these modules.

Sustained Operation

Modules are stress tested under load before shipping to verify stability in continuous enterprise workloads. The Samsung, Micron or Hynix chipsets and 1.10V operating voltage support consistent throughput during extended operations. ECC functionality corrects single-bit errors in real time, protecting data integrity over long periods. Workloads exceeding the rated 4800 speed or requiring lower latency than CL40 will not achieve optimal results with this memory.

How it compares

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

Price $898.99
Pricier than about 60% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB (2 × 16 GB)
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $28.09 per GB
Pricier than about 79% 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 numberMR38400-618K2
Total capacity32 GB (2 × 16 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 rank1Rx8
Power
Rated voltage1.1 V
Compatibility
Compatible systemsTHINKMATE
In the box
Included items32 GB (2 × 16 GB) DDR5 4800 MHz PC5-38400 1Rx8 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

What is the CAS latency limit on the NEMIX RAM DDR5 4800 ECC RDIMM under sustained load?

The modules run at CL40 latency, which is the rated timing for continuous operation at DDR5 4800 speed.

How much heat and power does the 32 GB kit draw when running all day in a Thinkmate server?

Each module operates at 1.10 V without a heat spreader; registered ECC RDIMMs typically draw a few watts per stick under load.

Which motherboard slot and chipset must I already have for this 288-pin DDR5 RDIMM kit to work?

You need a Thinkmate HDX-QN8-52E4 or compatible server motherboard with DDR5 RDIMM slots that support 1Rx8 registered ECC memory.

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