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Green circuit board with black memory chips and gold edge connector

OWC

OWC 128GB DDR4 3200 CL22 4Rx4 ECC Load Reduced LRDIMM server RAM

SKU CH-AZG8-CTKWJ

128 GB DDR4 3200 ECC load-reduced DIMM for servers, workstations and NAS, CL22 at 1.2 V with 4Rx4 ranks

  • Capacity128GB
  • Type288-Pin DDR4 ECC LRDIMM
  • SpeedDDR4 3200 (PC4 25600)
  • CAS LatencyCL22
  • Voltage1.2V
  • ECCYes
  • High-capacity 128 GB DDR4 module for memory-intensive server workloads
  • ECC load-reduced design maintains data integrity in multi-socket configurations
  • JEDEC-standard 3200 MT/s speed with CL22 latency at 1.2 V
  • Backward compatible with 2133, 2400, 2666 and 2933 MT/s platforms
  • 288-pin 4Rx4 LRDIMM form factor fits qualified server and workstation slots

128GB DDR4 ECC LRDIMM for servers

This 128GB DDR4 3200 module uses load-reduced ECC technology and a 4Rx4 rank structure. It is built for servers, workstations and NAS systems that require high-capacity registered memory. The module will not work in standard desktop computers and cannot be mixed with unbuffered or standard registered DIMMs.

Sustained load behaviour

At DDR4 3200 CL22 the module maintains JEDEC-standard throughput during extended workloads. Backward compatibility with 2133, 2400, 2666 and 2933MHz buses allows it to run at the highest speed the platform negotiates. Error-correcting code and load-reduced buffering keep data integrity stable under continuous multi-threaded demand.

Thermals, noise and power

Operating at 1.2V, the module draws minimal power for its density and has no heat spreader, relying on system airflow for cooling. Passive operation means it adds no acoustic noise. The low voltage and efficient LRDIMM architecture help keep chassis thermals manageable in densely populated memory configurations.

Points forts

  • High-capacity 128 GB DDR4 module for memory-intensive server workloads
  • ECC load-reduced design maintains data integrity in multi-socket configurations
  • JEDEC-standard 3200 MT/s speed with CL22 latency at 1.2 V
  • Backward compatible with 2133, 2400, 2666 and 2933 MT/s platforms
  • 288-pin 4Rx4 LRDIMM form factor fits qualified server and workstation slots

Caractéristiques

BrandOWC
Part Number3L2D44R4128G
Capacity128GB
Type288-Pin DDR4 ECC LRDIMM
SpeedDDR4 3200 (PC4 25600)
CAS LatencyCL22
Voltage1.2V
ECCYes
Buffered/RegisteredLoad Reduced
Rank4Rx4
Heat SpreaderNo

Questions sur cet article

How much power does the 128GB DDR4 3200 CL22 4Rx4 ECC LRDIMM draw at its 1.2V rating?

The module operates at 1.2V, the standard DDR4 voltage. Total power draw depends on server workload and the number of populated slots, but each 128GB LRDIMM runs at the JEDEC 1.2V specification.

What motherboard features are required for this 288-pin DDR4 3200 ECC Load Reduced module to function?

The motherboard must provide 288-pin DDR4 slots that support ECC Load Reduced (LRDIMM) memory at 1.2V. It cannot accept standard unbuffered or registered ECC DIMMs alongside this module.

Will this 3200MHz CL22 LRDIMM run stably in a system that currently uses 2666MHz or 2933MHz ECC Load Reduced memory?

Yes. The module is backward compatible with 2133MHz, 2400MHz, 2666MHz and 2933MHz speeds, so it will down-clock to match the slower memory already installed.

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