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Green rectangular DDR5 RDIMM module with black chips and gold contacts

OWC

OWC 64GB DDR5 4800 CL40 2Rx4 ECC RDIMM HP ProLiant DL320 Gen11 DL380a Gen11 DX320 Gen11 memory upgrade

SKU CH-69K8-JRVHC

64GB DDR5 4800 ECC registered RDIMM for HP ProLiant DL320 Gen11, DL380a Gen11 and DX320 Gen11 servers

  • Capacity64GB
  • Type288-Pin DDR5 ECC RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCYes

Capacity 64GB

  • 64 GB capacity lets servers handle larger workloads
  • DDR5 4800 speed with CL40 latency supports high-throughput tasks
  • ECC registered design protects data integrity in critical systems
  • 1 V operation reduces power draw per module
  • Validated for HP ProLiant DL320 Gen11 DL380a Gen11 DX320 Gen11

64GB DDR5 ECC RDIMM for HP ProLiant Gen11

This 64GB DDR5 4800 CL40 2Rx4 ECC Registered RDIMM is built for HP ProLiant DL320 Gen11, DL380a Gen11 and DX320 Gen11 servers. It targets administrators who need to expand memory in those specific platforms with a single JEDEC-compliant module.

Install in supported ProLiant Gen11 slots

Installation follows the server's documented DIMM population rules; the module seats in a 288-pin DDR5 slot at 1.1V. It will not work in standard desktop boards and must not be mixed with unbuffered or load-reduced ECC memory. HP part-number cross-reference includes P43331-B21, P46970-H21, P50312-B21, P58358-H21 and P62604-B21.

Single-module 64GB capacity headroom

One module adds 64GB of registered ECC capacity, helping virtualisation hosts and database workloads that benefit from large memory footprints. Scaling further depends on the server's maximum DIMM count and memory-channel limits, which are not covered by this module alone.

Highlights

  • 64 GB capacity lets servers handle larger workloads
  • DDR5 4800 speed with CL40 latency supports high-throughput tasks
  • ECC registered design protects data integrity in critical systems
  • 1 V operation reduces power draw per module
  • Validated for HP ProLiant DL320 Gen11 DL380a Gen11 DX320 Gen11

Specifications

BrandOWC
Part Number4R8D52R464GB
Capacity64GB
Type288-Pin DDR5 ECC RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.1V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo
Compatible SystemHP ProLiant DL320 Gen11
HP ProLiant DL380a Gen11
HP ProLiant DX320 Gen11

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Questions about this item

How do I confirm the 64GB DDR5 4800 CL40 2Rx4 ECC RDIMM is detected correctly after installation?

Enter the server BIOS or iLO interface and verify the module shows 64GB at 4800MHz with ECC registered status and 1.1V operation.

What ships with the 4R8D52R464GB module and what must be sourced separately?

The box contains one 64GB 288-pin DDR5 ECC RDIMM. No cables, brackets or additional DIMMs are included.

Which capacity should I choose for the HP ProLiant DL320 Gen11, DL380a Gen11 or DX320 Gen11?

This part is a single 64GB stick (part 4R8D52R464GB). Add multiple modules to reach the total memory your workload requires.

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