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Green circuit board with gold contacts and black memory chips, 288-pin LRDIMM server memory module

OWC

OWC 256GB DDR4 3200 CL22 ECC Load Reduced LRDIMM server RAM

SKU CH-4GMT-KA8GF

256 GB DDR4-3200 ECC load-reduced DIMM for servers, workstations and NAS systems, CL22 at 1.2 V with backward compatibility to 2133–2933 MHz

  • 256 GB capacity expands server memory headroom
  • DDR4 3200 MHz CL22 delivers high-throughput data rates
  • ECC load-reduced design corrects errors for workload reliability
  • 2 V operation reduces power draw per module
  • Backward compatible with 2133, 2400, 2666 and 2933 MHz systems

Server memory for enterprise workloads

This 256 GB DDR4 3200 CL22 ECC Load Reduced LRDIMM is built for servers, workstations and NAS systems that require very high memory capacity per slot. It operates at 1.2 V and uses a 288-pin form factor with an 8Rx4 organisation. The module is designed to extend the life of existing infrastructure or to maximise density in new deployments.

Suited for high-density configurations.

The LRDIMM technology and ECC Load Reduced function are specific to enterprise platforms and will not work in standard desktop computers. It also cannot be mixed with unbuffered or registered ECC memory, so buyers who need to combine different module types must look elsewhere. Systems limited to lower maximum capacities per DIMM will not be able to use this part.

256 GB per module at 3200 MHz CL22

The single specification that decides fit is the 256 GB capacity delivered in one 288-pin LRDIMM running at PC4-25600 3200 MHz with CL22 latency. If the motherboard or chassis supports this density and speed, the module installs directly; if the platform caps DIMM capacity below 256 GB, the part is incompatible.

Highlights

  • 256 GB capacity expands server memory headroom
  • DDR4 3200 MHz CL22 delivers high-throughput data rates
  • ECC load-reduced design corrects errors for workload reliability
  • 2 V operation reduces power draw per module
  • Backward compatible with 2133, 2400, 2666 and 2933 MHz systems

Specifications

No published specifications for this item yet.

Questions about this item

How do I install the 288-pin ECC Load Reduced DIMM, and what step do people often get wrong?

Align the notch on the 288-pin module with the slot key, press firmly until both retention clips click, and ensure the server supports LRDIMM — mixing with unbuffered or registered DIMMs will prevent boot.

What maintenance or replacement will the 256GB DDR4 3200 CL22 module need later?

No routine maintenance is required; the module is a solid-state component with no moving parts, so replacement is only necessary if a memory error appears or capacity needs increase.

What limit appears first on the 1.2V LRDIMM under sustained heavy workloads?

The 8Rx4 organisation and CL22 latency set the throughput ceiling; sustained use will hit bandwidth and latency limits before the 1.2V thermal envelope becomes a constraint.

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