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Four green 288-pin DDR4 LRDIMM modules in antistatic tray

OWC

OWC 1TB (4×256GB) DDR4 3200 PC4-25600 CL22 ECC Load Reduced LRDIMM memory upgrade

SKU CH-JAQ3-7BE1A

A 1 TB DDR4 ECC load-reduced kit of four 256 GB modules at 3200 MHz CL22 for compatible HP ProLiant servers

Capacity 1TB (4 x 256GB)

  • 1 TB capacity with four 256 GB modules
  • DDR4 3200 PC4-25600 CL22 ECC load-reduced DIMMs
  • 2 V operation for efficient server power draw
  • Compatible with HP ProLiant DL325 Gen10 Plus v2, DL345, DL360, DL365, DL380 Gen10 Plus
  • Backward compatible with 2133, 2400, 2666 and 2933 MHz speeds

Server capacity upgrade

This kit provides one terabyte of DDR4 memory in four 256-gigabyte load-reduced DIMMs. It is built for HP ProLiant DL325 Gen10 Plus v2, DL345, DL360, DL365 and DL380 Gen10 Plus servers that require ECC load-reduced modules. Standard desktop systems cannot use this memory type. Mixing with unbuffered or registered ECC DIMMs is not supported.

Sustained workload behaviour

Load-reduced architecture reduces electrical load on the memory bus, allowing all four modules to run at the rated 3200 MT/s without signal degradation during long-running tasks. The CL22 latency and 1.2-volt operation remain stable under continuous utilisation. Backward compatibility with 2133, 2400, 2666 and 2933 MT/s lets the kit downclock automatically if the platform requires a lower speed.

Deciding specification

The defining attribute is the ECC load-reduced 288-pin DIMM form factor combined with an 8Rx4 organisation. Only systems that explicitly support this exact memory type can accept the kit. Buyers whose servers require registered ECC, unbuffered ECC or non-ECC memory must choose a different module.

Highlights

  • 1 TB capacity with four 256 GB modules
  • DDR4 3200 PC4-25600 CL22 ECC load-reduced DIMMs
  • 2 V operation for efficient server power draw
  • Compatible with HP ProLiant DL325 Gen10 Plus v2, DL345, DL360, DL365, DL380 Gen10 Plus
  • Backward compatible with 2133, 2400, 2666 and 2933 MHz speeds

Specifications

No published specifications for this item yet.

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Questions about this item

How much power does the 1.2V DDR4 LRDIMM kit draw when the server runs continuously?

Each module operates at 1.2 volts, the standard DDR4 voltage, so total power scales with the four 256 GB sticks installed.

What motherboard slots and CPU memory controller are required for these 288-pin ECC load-reduced DIMMs?

The kit needs a server or workstation board with 288-pin DDR4 slots that support LRDIMM; it will not work with unbuffered or registered ECC memory.

Will the 3200 MHz CL22 modules run stably alongside existing 2666 MHz DDR4 DIMMs in the same ProLiant?

Yes, the modules are backward compatible with 2133, 2400, 2666 and 2933 MHz speeds and will down-clock to match the slowest installed DIMMs.

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