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Green rectangular DDR5 RDIMM module with black chips, no heat spreader, gold edge contacts, 288 pins

OWC

OWC 4R8D52R832GB 32GB DDR5 4800 CL40 2Rx8 288-pin 1.1V ECC RDIMM

SKU CH-EAZ7-QQ9T9

32GB 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

  • ECC registered design protects data integrity in servers
  • 32GB DDR5 4800 CL40 boosts memory bandwidth for heavy workloads
  • 1V operation reduces power draw per module
  • Qualified for HP ProLiant DL385 Gen11 DL560 Gen11 DX360 Gen11 DX365 Gen11 ML350 Gen11
  • Replaces HP part numbers P43328-B21 P46968-H21 P50311-B21 P58356-H21 P62603-B21

OWC 32GB DDR5 4800 ECC RDIMM

This 32GB DDR5 4800 CL40 2Rx8 288-pin 1.1V ECC Registered DIMM is built for HP ProLiant Gen11 servers including DL385, DL560, DX360, DX365 and ML350. It replaces HP part numbers P43328-B21, P46968-H21, P50311-B21, P58356-H21 and P62603-B21. The module is not compatible with standard desktop computers or unbuffered and load-reduced memory types.

Registered ECC for Gen11 ProLiant servers

The registered ECC design with 2Rx8 organisation is the single specification that determines fit. Only systems that require DDR5 4800 PC5-38400 registered ECC DIMMs will accept this module. Mixing with unbuffered or load-reduced DIMMs is not supported.

Sustained server workloads

Under continuous load the module maintains JEDEC DDR5 4800 speeds at 1.1V with CL40 latency. Error correction and registered buffering keep data integrity stable during extended operations in workstations, NAS systems, servers and network switches.

Highlights

  • ECC registered design protects data integrity in servers
  • 32GB DDR5 4800 CL40 boosts memory bandwidth for heavy workloads
  • 1V operation reduces power draw per module
  • Qualified for HP ProLiant DL385 Gen11 DL560 Gen11 DX360 Gen11 DX365 Gen11 ML350 Gen11
  • Replaces HP part numbers P43328-B21 P46968-H21 P50311-B21 P58356-H21 P62603-B21

Specifications

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 DL385 Gen11
HP ProLiant DL560 Gen11
HP ProLiant DX360 Gen11
HP ProLiant DX365 Gen11
HP ProLiant ML350 Gen11

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Questions about this item

What does the 4800 MT/s speed mean once the module is installed in a compatible HP ProLiant server?

The module runs at the JEDEC-standard 4800 MT/s data rate with CL40 latency at 1.1 V, delivering the rated PC5-38400 bandwidth when the server memory controller is configured for DDR5-4800 operation.

How does the DDR5 ECC registered interface affect what the module can do in practice?

The registered ECC design adds a register between the DRAM and the memory controller, enabling stable operation in multi-DIMM server configurations and providing single-bit error correction and multi-bit detection for data integrity.

What physical slot and clearance does the 288-pin RDIMM need to fit in the listed ProLiant models?

It requires a standard 288-pin DDR5 DIMM socket; the module has no heat spreader, so it fits within the normal DIMM height envelope of the DL385 Gen11, DL560 Gen11, DX360 Gen11, DX365 Gen11 and ML350 Gen11 chassis.

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