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Green rectangular circuit board with gold edge connectors and black memory chips on both sides

OWC

OWC 256GB DDR4 3200 CL22 8Rx4 288-pin 1.2V ECC Registered RDIMM Server RAM

SKU CH-Y0RK-K9G9A

256 GB DDR4 3200 CL22 ECC Registered RDIMM for server and workstation upgrades

Capacity 256GB

  • 256 GB capacity expands server workloads
  • DDR4 3200 speed accelerates data throughput
  • CL22 latency keeps timing tight
  • ECC registered design protects data integrity
  • JEDEC compliant module ensures broad compatibility

Server ECC Registered RDIMM

This OWC module is a 256 GB DDR4 3200 CL22 8Rx4 288-pin 1.2 V ECC Registered RDIMM built for workstations and servers. It replaces Samsung M393ABG40M52-CAE and Micron MTA144ASQ32G72PSZ-3S2B1 parts. It will not work in standard desktop computers. It cannot be mixed with unbuffered or load-reduced memory.

256 GB capacity and headroom

The 256 GB density provides very large memory headroom for virtualisation, in-memory databases and heavy multi-threaded workloads. Eight ranks per module increase electrical loading on the memory controller. JEDEC-standard DDR4 3200 CL22 timing sets the performance envelope for compatible platforms.

Registered ECC requirement

The single specification that decides fit is the registered ECC RDIMM form factor. Only motherboards and processors that explicitly support registered ECC DDR4 can use this module. Unbuffered or consumer boards will not post with it installed.

Ciri-ciri utama

  • 256 GB capacity expands server workloads
  • DDR4 3200 speed accelerates data throughput
  • CL22 latency keeps timing tight
  • ECC registered design protects data integrity
  • JEDEC compliant module ensures broad compatibility

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Will this 256GB DDR4 3200 CL22 8Rx4 ECC Registered RDIMM run alongside my existing registered DIMMs of a different capacity?

OWC recommends using DIMMs of the same capacity, speed and manufacturer for optimal performance; mixing different capacities or ranks can prevent the server from posting or cause instability.

How can I verify the module is running at DDR4 3200 PC4-25600 CL22 after installation?

Check the BIOS or UEFI memory information screen; it should report 3200 MT/s, CAS latency 22 and 1.2 V operation for each installed module.

Does the 256GB 288-pin RDIMM ship with a heat spreader or any installation tools?

The module is supplied as a bare JEDEC-standard 288-pin RDIMM; no heat spreader, screwdriver or additional accessories are included in the box.

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