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Green rectangular DDR5 memory module with gold contacts and black chips, no heat spreader

OWC

OWC 4R8D51R816GB 16GB DDR5 4800 CL40 ECC Registered RDIMM memory upgrade

SKU CH-WMSF-2SSZH

16 GB DDR5 ECC registered RDIMM running at 4800 MT/s for HP ProLiant Gen11 servers

  • Capacity16GB
  • Type288-Pin DDR5 ECC RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCYes

Capacity 16GB

  • ECC registered design protects data integrity in servers
  • DDR5 4800 speed delivers 38400 MT/s bandwidth for heavy workloads
  • 16 GB single module simplifies capacity scaling in Gen11 ProLiants
  • 1 V operation lowers power draw per DIMM slot
  • Validated for DL385 DL560 DX360 DX365 ML350 Gen11 platforms

Server ECC RDIMM upgrade

This 16GB DDR5 module runs at 4800 speed with CL40 latency and 1.1V operation. It is a 1Rx8 288-pin Registered ECC DIMM built for HP ProLiant Gen11 servers including the DL385, DL560, DX360, DX365 and ML350. The part replaces HP numbers P43322-B21, P50309-B21, P58354-H21 and P62601-B21.

Registered ECC limits

Registered ECC memory works only in platforms that support buffered DIMMs and will not function in standard desktop boards. It cannot be mixed with unbuffered or load-reduced ECC modules. The DDR5 4800 JEDEC specification defines the electrical and timing parameters this module follows.

Compatibility check

Confirm the server model is one of the listed Gen11 ProLiant systems before ordering. Verify the motherboard accepts Registered ECC RDIMMs and that no unbuffered or LRDIMM modules are already installed. Ensure the firmware revision supports DDR5 4800 Registered memory.

Points forts

  • ECC registered design protects data integrity in servers
  • DDR5 4800 speed delivers 38400 MT/s bandwidth for heavy workloads
  • 16 GB single module simplifies capacity scaling in Gen11 ProLiants
  • 1 V operation lowers power draw per DIMM slot
  • Validated for DL385 DL560 DX360 DX365 ML350 Gen11 platforms

Caractéristiques

BrandOWC
Part Number4R8D51R816GB
Capacity16GB
Type288-Pin DDR5 ECC RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.1V
ECCYes
Buffered/RegisteredRegistered
Rank1Rx8
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 sur cet article

Should I choose the 16GB module or add multiple modules to reach a higher total?

Each module provides 16GB of DDR5 4800 ECC registered memory. Add as many modules as your server's memory slots allow to reach the total capacity you need.

What does the 4800 MT/s rating deliver in an HP ProLiant Gen11 server?

The module runs at the JEDEC-standard 4800 MT/s data rate with CL40 latency, giving the supported ProLiant Gen11 platforms their baseline DDR5 throughput.

How does the 288-pin DDR5 RDIMM interface affect compatibility?

The 288-pin registered DIMM fits only DDR5 server slots that support ECC registered memory; it will not work in unbuffered or load-reduced slots.

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