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

OWC

OWC 256GB DDR4 3200 CL22 8Rx4 288-pin 1.2V ECC Load Reduced LRDIMM memory upgrade

SKU CH-Y1J4-K9GQB

Single 256 GB DDR4 3200 CL22 8Rx4 ECC load-reduced LRDIMM for HP ProLiant DL385 Gen10 Plus, DL385 Gen10 Plus v2, DX360 Gen10 Plus and DX385 Gen10 Plus servers

Capacity 256GB

  • Maximise server capacity with a single 256GB module
  • ECC load-reduced design protects data integrity in critical workloads
  • DDR4 3200 CL22 at 1.2V balances speed and efficiency
  • 288-pin LRDIMM fits HP ProLiant DL385 DX360 DX385 Gen10 Plus
  • Backward compatible with 2133 2400 2666 2933MHz systems

256GB LRDIMM for HP ProLiant servers

This 256GB DDR4 LRDIMM operates at 3200MHz with CL22 latency and 1.2V power draw. It targets administrators upgrading HP ProLiant DL385 Gen10 Plus, DL385 Gen10 Plus v2, DX360 Gen10 Plus or DX385 Gen10 Plus systems. The module uses an 8Rx4 organisation and 288-pin form factor. It is not compatible with standard desktop computers or with unbuffered and registered ECC memory types.

Sustained server workload behaviour

Load-reduced architecture reduces electrical load on the memory bus, allowing the single 256GB module to maintain stability during extended multi-threaded tasks. The DDR4 PC4-25600 rating supports continuous throughput at 3200MHz, while backward compatibility lets the DIMM run at 2133MHz, 2400MHz, 2666MHz or 2933MHz when the platform requires it. ECC correction operates continuously to protect data integrity under heavy utilisation.

Thermals, noise and power in normal use

Operating at 1.2V keeps power draw low for a high-capacity server DIMM, reducing the thermal contribution inside dense chassis. The module produces no audible noise because it has no moving parts. JEDEC and RoHS compliance ensure consistent electrical characteristics across the operating temperature range defined by the host server platform.

Highlights

  • Maximise server capacity with a single 256GB module
  • ECC load-reduced design protects data integrity in critical workloads
  • DDR4 3200 CL22 at 1.2V balances speed and efficiency
  • 288-pin LRDIMM fits HP ProLiant DL385 DX360 DX385 Gen10 Plus
  • Backward compatible with 2133 2400 2666 2933MHz systems

Specifications

No published specifications for this item yet.

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Questions about this item

How much power does the 1.2V 256GB LRDIMM draw when the server runs continuously?

The module operates at 1.2V DDR4 voltage; actual sustained power draw depends on the platform's memory controller and workload, which the platform firmware manages.

What must the system already support for this 288-pin ECC Load Reduced DIMM to function?

The server must accept DDR4 ECC Load Reduced memory in 288-pin slots and cannot mix this module with unbuffered or registered ECC DIMMs.

Will this PC4-25600 CL22 module run reliably alongside existing 2666MHz or 2933MHz DIMMs in the same ProLiant?

Yes, it is backward compatible with 2133MHz, 2400MHz, 2666MHz and 2933MHz speeds; the memory controller will negotiate the lowest common speed across populated slots.

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