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Six green DDR4 LRDIMM modules with black chips, no heat spreaders

NEMIX RAM

NEMIX RAM 384GB (6x64GB) DDR4 2666 ECC LRDIMM CL19 288-Pin Server Memory Upgrade

SKU CH-PC65-6WV6P

Six 64 GB DDR4 2666 ECC LRDIMM modules deliver 384 GB of load-reduced registered memory for ThinkMate servers

  • Total capacity384 GB (6 × 64 GB)
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL19
  • Buffer typeLoad Reduced
  • Rated voltage1.2 V
  • 384 GB total capacity with six 64 GB modules
  • DDR4 2666 speed rated at PC4-21300 bandwidth
  • ECC load-reduced design maintains data integrity under load
  • 20 V operation reduces server power draw
  • 288-pin LRDIMM form factor fits ThinkMate GPX-QT8-24E2-8GPU systems

Capacity and Compatibility

This NEMIX RAM kit provides 384GB of DDR4 server memory across six 64GB LRDIMM modules. It is built for the ThinkMate GPX-QT8-24E2-8GPU GPU-optimised server platform. The load-reduced design helps maintain signal integrity when all slots are populated. IT teams can deploy this kit to maximise the memory ceiling of a compatible host.

Who This Suits and Who It Does Not

Administrators running memory-intensive workloads on the specified ThinkMate server will benefit from the high density and ECC protection. The kit is not suitable for desktop motherboards, workstations that require standard RDIMMs, or any system that cannot accept 4Rx4 LRDIMMs. Buyers who need a different capacity, speed, or form factor must select another part.

Deciding Specification

The modules operate at DDR4 2666 (PC4-21300) with a CAS latency of CL19 at 1.20V. Each DIMM is a 288-pin 4Rx4 load-reduced ECC device built with major OEM DRAM. Verify that the target server supports this exact speed, rank configuration, and voltage before purchasing.

How it compares

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

Price $1,424.99
Pricier than about 64% of the 21,161 comparable items (median $397.99).
Total capacity 384 GB (6 × 64 GB)
Higher than about 85% of the 20,941 comparable items (median 32 GB).
Price per GB $3.71 per GB
Cheaper than about 86% 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 DDR4 2666 MHz ECC LRDIMM Load Reduced Server Memory
Part numberML21300-944K6
Total capacity384 GB (6 × 64 GB)
Product type288-Pin DDR4 LRDIMM
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL19
ECC supportYes
Buffer typeLoad Reduced
Heat spreaderNo
Memory rank4Rx4
Power
Rated voltage1.2 V
Compatibility
Compatible systemsTHINKMATE
In the box
Included items384 GB (6 × 64 GB) DDR4 2666 MHz PC4-21300 4Rx4 1.2 V CL19 288-PIN ECC LRDIMM Load Reduced Server Memory KIT

Questions about this item

Will the 4Rx4 load-reduced modules need any firmware updates or thermal-pad replacements during their service life?

No firmware updates or thermal-pad replacements are required; the modules run at 1.20 V without a heat spreader and are validated for continuous server operation.

What electrical or signal-integrity limit appears first when all six 64 GB LRDIMMs run at DDR4 2666 continuously?

The memory controller's maximum supported rank count per channel is reached before any voltage or timing margin is exhausted.

How much heat and acoustic noise does the 384 GB kit produce when the server runs 24/7 at full load?

Each module draws 1.20 V with no heat spreader, so total power scales with 384 GB of active DRAM; acoustic noise comes only from chassis fans, not the memory itself.

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