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Eight green DDR4 LRDIMM sticks, black chips, no heat spreader

NEMIX RAM

NEMIX RAM 256GB (8x32GB) DDR4 2666 ECC LRDIMM memory upgrade

SKU CH-R7SR-FWRFG

DDR4 2666 ECC load-reduced memory kit adding 256 GB across eight 32 GB modules for Thinkmate GPX-QT8-24E2-8GPU servers

  • Total capacity256 GB (8 × 32 GB)
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL19
  • Buffer typeLoad Reduced
  • Rated voltage1.2 V
  • 256GB total capacity across eight 32GB modules for dense server workloads
  • DDR4 2666 PC4-21300 speed with CL19 latency for responsive data access
  • ECC Load Reduced DIMM technology corrects errors and lowers electrical load
  • 20V operation reduces power draw in multi-socket configurations
  • Validated for ThinkMate GPX-QT8-24E2-8GPU GPU-optimised servers

Server-grade memory kit

This 256 GB kit consists of eight 32 GB DDR4 2666 ECC LRDIMM modules built for ThinkMate GPX-QT8-24E2-8GPU servers. Load-reduced architecture lowers electrical load on the memory bus so dense configurations remain stable. Each module runs at 1.2 V with CL19 latency and 2Rx4 organisation. The kit targets administrators who need maximum capacity in qualified GPU-optimised platforms.

ECC load-reduced design

Error-correcting code detects and corrects single-bit errors to protect data integrity in mission-critical workloads. Load-reduced buffering allows all eight slots to be populated without exceeding the memory controller’s electrical limits. Modules use Samsung, Micron or Hynix components and are stress-tested under load before shipping. No heat spreaders are fitted, relying on server chassis airflow for cooling.

Capacity headroom

The 256 GB total supports large virtualisation clusters, in-memory databases and multi-GPU compute jobs that exceed typical registered DIMM limits. Eight populated slots leave no free DIMM positions for future expansion on this platform. Workloads requiring more memory per channel or higher frequencies than DDR4 2666 will need a different server architecture.

How it compares

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

Price $1,667.99
Pricier than about 66% of the 21,161 comparable items (median $397.99).
Total capacity 256 GB (8 × 32 GB)
Higher than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $6.52 per GB
Cheaper than about 60% 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 numberML21300-324K8
Total capacity256 GB (8 × 32 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 rank2Rx4
Power
Rated voltage1.2 V
Compatibility
Compatible systemsTHINKMATE
In the box
Included items256 GB (8 × 32 GB) DDR4 2666 MHz PC4-21300 2Rx4 1.2 V CL19 288-PIN ECC LRDIMM Load Reduced Server Memory KIT

Questions about this item

Will the 2Rx4 ECC LRDIMM modules require any firmware updates or reconfiguration when replacing failed sticks?

The modules are stress-tested for compatibility with the specified THINKMATE server; replacing a failed stick with an identical 32GB 2Rx4 DDR4 2666 CL19 LRDIMM restores the original configuration without firmware changes.

What is the first limit reached when all eight modules run continuously at 2666 MT/s under full load?

The memory controller's maximum supported capacity and rank population per channel define the ceiling; this kit populates eight slots with 2Rx4 LRDIMMs at the rated 2666 speed.

How much heat and power do the 256GB of 1.20V LRDIMMs generate during 24/7 operation?

Eight 32GB DDR4 LRDIMMs at 1.20V draw power proportional to active rank count and data rate; the load-reduced buffer reduces electrical load on the memory bus compared with standard RDIMMs.

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