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Green 288-pin DDR4 LRDIMM module with black memory chips and gold contacts

OWC

OWC 256GB DDR4 2933 PC4-23400 CL21 8Rx4 288-pin 1.2V ECC Load Reduced LRDIMM for Supermicro X11SPA-TF

SKU CH-2EWP-5TYSE

A single 256GB DDR4 ECC load-reduced DIMM running at 2933MHz CL21 and 1.2V for Supermicro X11SPA-TF servers

Capacity 256GB

  • 256 GB capacity in a single module for maximum server density
  • ECC load-reduced design protects data integrity in critical workloads
  • DDR4 2933 MHz CL21 speed with backward compatibility to 2133, 2400 and 2666 MHz
  • 2 V operation and JEDEC-standard construction for warranty-safe upgrades
  • 288-pin LRDIMM form factor validated for Supermicro X11SPA-TF motherboard

256GB DDR4 LRDIMM for Supermicro X11SPA-TF

This 256GB DDR4 2933MHz CL21 ECC Load Reduced DIMM targets server and workstation administrators upgrading a Supermicro X11SPA-TF motherboard. It operates at 1.2V and uses an 8Rx4 organisation to deliver high capacity in a single 288-pin module. The part is not compatible with standard desktop systems or with unbuffered and registered ECC memory types.

JEDEC compliance and backward speed support

The module follows JEDEC PC4-23400 specifications and is ROHS compliant, ensuring a warranty-safe upgrade path. It runs natively at 2933MHz and will also operate at 2133MHz, 2400MHz and 2666MHz when installed in systems limited to those speeds. This backward compatibility simplifies deployment across mixed-generation platforms.

288-pin load-reduced form factor implications

The 288-pin LRDIMM form factor fits server and workstation DIMM slots designed for load-reduced memory, reducing electrical load on the memory controller. ECC load-reduced technology provides error correction while allowing higher densities than standard registered DIMMs. Installation is a straightforward DIY upgrade for qualified server and NAS hardware.

Istaknuto

  • 256 GB capacity in a single module for maximum server density
  • ECC load-reduced design protects data integrity in critical workloads
  • DDR4 2933 MHz CL21 speed with backward compatibility to 2133, 2400 and 2666 MHz
  • 2 V operation and JEDEC-standard construction for warranty-safe upgrades
  • 288-pin LRDIMM form factor validated for Supermicro X11SPA-TF motherboard

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Will the single 256GB DDR4 2933 LRDIMM need any firmware updates or battery-backed spares during its service life?

The module is a JEDEC-standard DDR4 LRDIMM with no onboard firmware or battery; it requires no scheduled firmware updates or spare-part replacements beyond normal server memory-slot maintenance.

At continuous 2933 MHz operation, does the memory controller or the LRDIMM buffer hit its thermal or electrical limit first?

The LRDIMM buffer is rated for sustained 2933 MHz at 1.2 V; the platform memory controller typically reaches its power-thermal ceiling before the module buffer does.

How much extra heat and power does one 256GB LRDIMM add when the server runs 24/7 at full load?

At 1.2 V the module draws only marginally more power than smaller LRDIMMs, adding minimal heat that the standard server airflow handles without extra cooling.

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