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Green rectangular circuit board with gold edge contacts and black memory chips, no heat spreader

NEMIX RAM

NEMIX RAM 64GB DDR4 2666 PC4-21300 4Rx4 1.2V 288-Pin ECC LRDIMM Server Memory

SKU CH-YN3H-GRBGA

A 64 GB DDR4 LRDIMM running at 2666 MHz with ECC and load-reduced buffering for server stability

  • Capacity64GB
  • Type288-Pin DDR4 LRDIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.20V
  • ECCYes
  • 64 GB capacity scales virtualization and database workloads
  • Load-reduced DDR4 architecture supports high-density server configurations
  • ECC protection detects and corrects memory errors automatically
  • 2666 MHz speed with CL19 latency balances throughput and stability
  • 20 V operation reduces power draw in dense deployments

Server-grade capacity for virtualization

This 64 GB DDR4 LRDIMM module targets administrators who need large memory pools for virtualized workloads on compatible QNAP NAS platforms. The load-reduced design places less electrical load on the memory bus, allowing higher total capacities per channel. It operates at 2666 MT/s with a CAS latency of 19 and runs at 1.20 V. ECC protection corrects single-bit errors to preserve data integrity in mission-critical environments.

Fits QNAP NAS bays with DDR4 LRDIMM slots

Installation requires an available 288-pin DDR4 LRDIMM socket on a supported QNAP motherboard; the module is validated against the RAM-64GDR4ECS0-LR-2666 reference. Because it is a load-reduced DIMM, it frees electrical headroom for additional modules in multi-slot configurations. The 4Rx4 organization delivers the 64 GB density in a single stick, reducing slot consumption. No heat spreader is fitted, so airflow across the PCB must be provided by the chassis.

Low-voltage operation limits thermal output

At 1.20 V the module draws modest power under typical server loads, keeping case temperatures manageable in densely populated NAS enclosures. Passive cooling relies on system airflow rather than an integrated spreader, so fan speed curves should ensure air moves across the memory region. The registered buffer and ECC logic add minimal latency while maintaining signal integrity at 2666 MT/s. Acoustic contribution is negligible compared with drive and chassis fans.

商品特色

  • 64 GB capacity scales virtualization and database workloads
  • Load-reduced DDR4 architecture supports high-density server configurations
  • ECC protection detects and corrects memory errors automatically
  • 2666 MHz speed with CL19 latency balances throughput and stability
  • 20 V operation reduces power draw in dense deployments

商品規格

BrandNEMIX RAM
SeriesQNAP NAS Device Memory
ModelQNAP NAS Memory
Part NumberML21300-944K1
Capacity64GB
Type288-Pin DDR4 LRDIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.20V
ECCYes
Buffered/RegisteredLoad Reduced
Rank4Rx4
ChipsetMajor OEM Samsung, Micron, Hynix
Heat SpreaderNo
FeaturesDDR4 ECC LRDIMM Load Reduced Server Motherboard Compatible

商品問答

What is the CAS latency of this DDR4 2666 module?

The module operates at CL19 latency at its rated 2666 MT/s speed.

How much heat does a load-reduced DIMM generate compared to a standard registered DIMM under continuous load?

Load-reduced DIMMs buffer the data lines to reduce electrical load on the memory controller, which typically lowers power draw per module at high capacities.

Does my server motherboard need to support LRDIMM specifically to use this 64 GB module?

Yes, the platform must support DDR4 LRDIMM technology; standard RDIMM-only motherboards will not recognise this 4Rx4 module.

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