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

NEMIX RAM

NEMIX RAM 128GB (4x32GB) DDR5 4800 CL40 ECC RDIMM THINKMATE memory upgrade

SKU CH-W5XC-GA56G

A 128 GB kit of four 32 GB DDR5 4800 CL40 ECC registered DIMMs validated for Thinkmate tower servers

  • Total capacity128 GB (4 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 128 GB capacity across four 32 GB modules for large server workloads
  • DDR5 4800 speed with PC5-38400 bandwidth for high-throughput data processing
  • ECC registered RDIMM design detects and corrects errors to protect critical data
  • 1 V operating voltage reduces power draw in dense memory configurations
  • Validated for ThinkMate TWX-XS8 tower servers to ensure reliable compatibility

Capacity and configuration

This NEMIX RAM kit delivers 128GB across four 32GB DDR5 modules. It is built for ThinkMate TWX-XS8 tower servers that require registered ECC memory. The 2Rx8 organisation and 1.1V operation match the platform's validated specifications.

Registered ECC with on-die reliability

Registered signalling reduces electrical load on the server memory controller, allowing all four slots to be populated at the rated 4800 MT/s. On-die ECC corrects single-bit errors inside each DRAM chip before data leaves the module, protecting uptime in multi-threaded workloads.

Headroom for virtualisation and databases

The 128GB total capacity lets a ThinkMate tower run dozens of containers or large in-memory databases without swapping. Workloads that exceed this footprint or demand speeds above 4800 MT/s will need a platform that supports higher data rates or larger DIMMs.

How it compares

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

Price $3,696.99
Pricier than about 75% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (4 × 32 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $28.88 per GB
Pricier than about 82% 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 numberMR38400-328K4
Total capacity128 GB (4 × 32 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 rank2Rx8
Power
Rated voltage1.1 V
Compatibility
Compatible systemsTHINKMATE
In the box
Included items128 GB (4 × 32 GB) DDR5 4800 MHz PC5-38400 1Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

Will the 2Rx8 registered DDR5 modules need firmware updates or battery-backed spares over their service life?

No firmware or battery maintenance is required; the 2Rx8 registered DDR5 DIMMs operate at 1.1 V with on-die ECC and have no user-serviceable parts.

What thermal or electrical limit appears first when the 128 GB kit runs continuously at 4800 MT/s in a ThinkMate tower?

The 1.1 V supply and CL40 timing set the power envelope; sustained load stays within JEDEC DDR5 limits so thermal throttling is the first boundary reached.

How much fan noise and case heat should I expect from the four 32 GB RDIMMs during all-day server workloads?

The modules have no heat spreaders and draw only 1.1 V each, so they add minimal heat and require no extra airflow beyond standard server cooling.

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