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Four green circuit boards with black memory chips and gold edge connectors

OWC

OWC 512GB (4x128GB) DDR4 2933 PC4-23400 CL21 4Rx4 288-pin ECC LRDIMM Kit

SKU CH-PYQM-8MZ2W

Four 128GB DDR4 2933 ECC LRDIMMs add 512GB of load-reduced server memory for HP ProLiant Gen10 systems

  • Capacity512GB (4 x 128GB)
  • Type288-Pin DDR4 ECC LRDIMM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.2V
  • ECCYes

Capacity 512GB (4 x 128GB)

  • 512 GB total capacity from four 128 GB modules for dense server workloads
  • DDR4 2933 MHz speed with CL21 latency for responsive data handling
  • ECC load-reduced design protects data integrity in critical applications
  • 2 V operation reduces power draw in compatible HP ProLiant Gen10 systems
  • Backward compatible with 2133, 2400 and 2666 MHz platforms for flexible deployment

Server memory upgrade kit

This OWC kit supplies 512GB of DDR4 ECC LRDIMM memory across four 128GB modules. It is built for HP ProLiant Gen10 servers including the BL460c, DL325, DL360, DL380 and DL385. The load-reduced design targets workloads that need maximum capacity per channel.

Replaces HP part numbers

The modules replace HP part numbers 19047, 11040, 11057 and 18455 across multiple sub-versions. The jump is worth it when your current configuration cannot reach the required capacity with registered DIMMs or when you need the reduced electrical load of LRDIMM technology. The kit runs at 2933MHz and falls back to 2666MHz, 2400MHz or 2133MHz if the platform demands it.

Verify platform and memory rules

Confirm the server model is one of the listed Gen10 systems before ordering. LRDIMM modules cannot be mixed with unbuffered or standard registered ECC DIMMs in the same system. The platform must support 4Rx4 organisation and 1.2V operation. This memory is not compatible with standard desktop computers or consumer motherboards.

Puntos fuertes

  • 512 GB total capacity from four 128 GB modules for dense server workloads
  • DDR4 2933 MHz speed with CL21 latency for responsive data handling
  • ECC load-reduced design protects data integrity in critical applications
  • 2 V operation reduces power draw in compatible HP ProLiant Gen10 systems
  • Backward compatible with 2133, 2400 and 2666 MHz platforms for flexible deployment

Especificaciones

BrandOWC
Part Number2L9D44R4512S
Capacity512GB (4 x 128GB)
Type288-Pin DDR4 ECC LRDIMM
SpeedDDR4 2933 (PC4 23400)
CAS LatencyCL21
Voltage1.2V
ECCYes
Buffered/RegisteredLoad Reduced
Rank4Rx4
Heat SpreaderNo
Compatible SystemHP ProLiant BL460c Gen10
HP ProLiant DL325 Gen10
HP ProLiant DL360 Gen10
HP ProLiant DL380 Gen10
HP ProLiant DL385 Gen10

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Preguntas sobre este artículo

Does the 288-pin LRDIMM fit the memory slots on my HP ProLiant DL380 Gen10?

Yes, the 288-pin DDR4 LRDIMM form factor matches the DIMM slots on the listed HP ProLiant Gen10 servers including the DL380 Gen10.

What is the correct way to install the four 128 GB modules so the server recognises all 512 GB?

Populate all four modules in the matched channel slots for each CPU, following the server's memory population guide; do not mix these load-reduced DIMMs with unbuffered or registered ECC memory.

When should I expect to replace one of the 128 GB modules in this kit?

The modules carry a limited lifetime warranty; replace a module only if the server logs correctable ECC errors that progress to uncorrectable failures.

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