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

NEMIX RAM

NEMIX RAM 128GB (4x32GB) DDR5 4800 CL40 2Rx8 ECC RDIMM THINKMATE RAX-QE12 memory upgrade

SKU CH-ZBRM-D4R3F

128 GB DDR5 ECC registered server memory kit with four 32 GB 2Rx8 modules at 4800 MT/s CL40 for THINKMATE RAX-QE12 rackmount 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 kit (4 × 32 GB) for high-capacity server workloads
  • DDR5 4800 MT/s PC5-38400 speed for fast data throughput
  • ECC registered RDIMM with CL40 latency for error-correcting stability
  • 10 V operation on major OEM Samsung, Micron or Hynix chips
  • Designed and stress-tested for Thinkmate RAX-QE12 rackmount servers

System-specific DDR5 ECC RDIMM kit

This NEMIX RAM kit provides 128 GB of DDR5 memory in four 32 GB registered DIMMs. It is built for the Thinkmate RAx-QE12 rackmount server and carries ECC with a CAS latency of CL40 at 4800 MT/s. The modules operate at 1.1 V and use a 288-pin form factor.

Registered design for server motherboards

Registered buffering places less electrical load on the memory controller, allowing the full four-module population supported by compatible server boards. ECC corrects single-bit errors to protect data integrity in mission-critical workloads. The 1.1 V DDR5 voltage reduces power draw compared with previous DDR generations.

Upgrade from lower-capacity or non-ECC memory

Replacing smaller RDIMMs or unbuffered modules with this 128 GB kit expands usable memory for virtualisation, databases and large datasets. The jump is worthwhile when the server board supports DDR5 RDIMM populations and the workload demands ECC protection at 4800 MT/s.

How it compares

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

Price $3,406.99
Pricier than about 74% 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 $26.62 per GB
Pricier than about 74% 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

What sustained-load limit appears first when the 4800 MHz 2Rx8 registered kit runs continuously in the RAX-QE12?

The modules operate at 1.10 V with CL40 timing; thermal throttling or the server's own power envelope will be the first ceiling you hit.

How much acoustic noise or extra heat does the registered kit add during all-day operation?

No heat spreader is fitted, so the DIMMs rely on chassis airflow; they draw 1.10 V each and add no moving parts of their own.

What must the RAX-QE12 already provide for this 288-pin DDR5 ECC RDIMM kit to function?

The server needs DDR5 RDIMM slots that accept 2Rx8 registered modules at 1.10 V and support ECC operation.

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