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Two green 288-pin DDR4 LRDIMM modules, no heat spreaders

NEMIX RAM

NEMIX RAM 128GB (2x64GB) DDR4 2666 CL19 ECC LRDIMM memory upgrade

SKU CH-746N-57C0J

128 GB kit of two 64 GB DDR4 2666 CL19 ECC LRDIMM modules at 1.2 V for ThinkMate servers

  • Capacity128GB (2 x 64GB)
  • SpeedDDR4 2666 (PC4 21300)
  • ECCYes
  • Buffered/RegisteredLoad Reduced
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V
  • 128 GB total capacity from two 64 GB modules for large server workloads
  • DDR4 2666 speed rated at PC4-21300 for high data throughput
  • ECC with load-reduced design maintains signal integrity on heavily populated channels
  • CL19 latency at 1.20 V balances responsiveness with power efficiency
  • Validated for ThinkMate GPX-QT8-24E2-8GPU GPU-optimised servers

128GB DDR4 ECC LRDIMM kit for ThinkMate servers

This 128GB kit consists of two 64GB DDR4 2666 CL19 LRDIMM modules built with ECC and load-reduced architecture. It targets ThinkMate GPX-QT8-24E2-8GPU GPU-optimised servers and similar enterprise platforms that require registered ECC memory. The modules operate at 1.2V and use a 288-pin form factor.

Sustained load stability

ECC corrects single-bit errors in real time while the load-reduced buffer reduces electrical load on the memory controller during continuous operation. The 4Rx4 organisation and CL19 latency support consistent throughput for virtualisation, database and GPU compute workloads. Modules are stress tested under load before shipment.

Major OEM chips on plain green PCB

Samsung, Micron or Hynix DRAM components populate the modules without a heat spreader, relying on server chassis airflow for cooling. The standard 288-pin DDR4 LRDIMM keying ensures direct insertion into compatible ThinkMate DIMM slots. No additional brackets or cables are required for installation.

Highlights

  • 128 GB total capacity from two 64 GB modules for large server workloads
  • DDR4 2666 speed rated at PC4-21300 for high data throughput
  • ECC with load-reduced design maintains signal integrity on heavily populated channels
  • CL19 latency at 1.20 V balances responsiveness with power efficiency
  • Validated for ThinkMate GPX-QT8-24E2-8GPU GPU-optimised servers

Specifications

BrandNEMIX RAM
SeriesTHINKMATE Server/Workstation Compatible Series Memory
ModelTHINKMATE DDR4 2666MHZ ECC LRDIMM Load Reduced Server Memory
Part NumberML21300-944K2
Capacity128GB (2 x 64GB)
SpeedDDR4 2666 (PC4 21300)
ECCYes
Buffered/RegisteredLoad Reduced
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.20V
Compatible SystemTHINKMATE
CAS LatencyCL19
Heat SpreaderNo
Type288-Pin DDR4 LRDIMM
Rank4Rx4
FeaturesDDR4 ECC LRDIMM Load Reduced Server Motherboard Compatible
Package Content128GB (2X64GB) DDR4 2666MHZ PC4-21300 4Rx4 1.2V CL19 288-PIN ECC LRDIMM Load Reduced Server Memory KIT

Questions about this item

How much power does the 1.2 V DDR4 2666 kit draw when the server runs continuously?

Each 64 GB module operates at 1.20 V, so the pair runs at standard DDR4 voltage; total draw depends on the server's memory controller and workload.

What must the ThinkMate GPX-QT8-24E2-8GPU already have for this 288-pin LRDIMM kit to function?

The server needs free DDR4 LRDIMM slots that accept 4Rx4 registered modules and a BIOS that supports 128 GB total capacity.

Will the CL19 4Rx4 modules work alongside older DDR4 RDIMMs already installed in the same ThinkMate server?

Mixing LRDIMM and RDIMM types is not supported; all slots must use the same registered memory technology for the system to boot.

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