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

OWC

OWC 32GB DDR5 4800 CL40 2Rx8 ECC Registered RDIMM HP ProLiant Gen11

SKU CH-81VT-KHJTK

A 32 GB DDR5 4800 CL40 ECC registered RDIMM for HP ProLiant Gen11 servers

  • Capacity32GB
  • Type288-Pin DDR5 ECC RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCYes

Capacity 32GB

  • 32 GB capacity expands server memory for larger workloads
  • DDR5 4800 speed with CL40 latency delivers high throughput
  • ECC registered design corrects errors for data integrity
  • 1 V operation reduces power draw in dense configs
  • Validated for HP ProLiant DL325 DL345 DL360 DL365 DL380 Gen11

32GB DDR5 ECC RDIMM for ProLiant Gen11

This 32GB DDR5 4800 CL40 2Rx8 registered ECC module is built for HP ProLiant DL325 Gen11, DL345 Gen11, DL360 Gen11, DL365 Gen11 and DL380 Gen11 servers. It replaces HP part numbers P43328-B21, P46968-H21, P50311-B21, P58356-H21 and P62603-B21. It will not work in standard desktop computers and cannot be mixed with unbuffered or load-reduced ECC memory.

Thermals noise and power at 1.1V

Operating at 1.1 volts, the module draws minimal power and generates little heat without a heat spreader. Registered buffering reduces electrical load on the memory controller, keeping system fan speeds low during typical server workloads.

Sustained load behaviour with ECC registered design

Error-correcting code detects and corrects single-bit errors in real time, preventing data corruption during continuous operation. The registered architecture maintains signal integrity across all 288 pins when every slot is populated, so throughput remains stable over extended compute runs.

Points forts

  • 32 GB capacity expands server memory for larger workloads
  • DDR5 4800 speed with CL40 latency delivers high throughput
  • ECC registered design corrects errors for data integrity
  • 1 V operation reduces power draw in dense configs
  • Validated for HP ProLiant DL325 DL345 DL360 DL365 DL380 Gen11

Caractéristiques

BrandOWC
Part Number4R8D52R832GB
Capacity32GB
Type288-Pin DDR5 ECC RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.1V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx8
Heat SpreaderNo
Compatible SystemHP ProLiant DL325 Gen11
HP ProLiant DL345 Gen11
HP ProLiant DL360 Gen11
HP ProLiant DL365 Gen11
HP ProLiant DL380 Gen11

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Questions sur cet article

How do I install the 288-pin DDR5 4800 RDIMM in an HP ProLiant DL360 Gen11, and what step is often missed?

Power down the server, open the chassis, align the module key with the slot notch, press firmly until both ejector clips lock, then verify in BIOS that the 32GB 2Rx8 module is detected at 4800 MT/s with ECC active.

What maintenance or replacement will the 32GB DDR5 ECC registered module need over its service life?

No scheduled maintenance is required; the module has no heat spreader or moving parts, so replacement only occurs if a memory error is logged or a capacity upgrade is planned.

What limit appears first when the 1.1V DDR5 4800 RDIMM runs sustained workloads in a DL380 Gen11?

The registered buffer and CL40 latency set the throughput ceiling; thermals stay within JEDEC limits at 1.1V, so bandwidth saturation arrives before temperature throttling.

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