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

OWC

OWC 4R8D52R464GB 64GB DDR5 4800 ECC RDIMM memory upgrade

SKU CH-BB0K-ES1GV

A single 64 GB DDR5 4800 ECC registered RDIMM for HP ProLiant Gen11 servers

  • Total capacity64 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • Memory rank2Rx4

Capacity 64GB

  • 64GB capacity supports large server workloads
  • DDR5 4800 speed with CL40 latency
  • ECC registered design prevents data errors
  • 1V operation reduces power consumption
  • Compatible with HP ProLiant Gen11 servers

Server ECC RDIMM upgrade

This OWC module is a 64GB DDR5 4800 PC5-38400 CL40 2Rx4 288-pin 1.1V ECC Registered RDIMM. It is built for HP ProLiant DL385 Gen11 DL560 Gen11 DX360 Gen11 DX365 Gen11 ML350 Gen11 servers and workstations. The part number is 4R8D52R464GB.

Suits registered ECC platforms only

It fits administrators expanding memory in the listed ProLiant Gen11 systems or replacing HP part numbers P43331-B21 P46970-H21 P50312-B21 P58358-H21 P62604-B21. It will not work in standard desktop computers or consumer motherboards and cannot be mixed with unbuffered or load-reduced ECC modules.

Registered ECC DDR5 at 4800 MT/s

The single specification that decides fit is the registered ECC DDR5 4800 MT/s 288-pin RDIMM form factor. Only systems that explicitly support registered ECC DDR5 at this speed and pin count can use this module.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $1,451.99
Pricier than about 64% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $22.69 per GB
Pricier than about 68% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number4R8D52R464 GB
Total capacity64 GB
Product type288-Pin DDR5 ECC RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsHP ProLiant DL385 Gen11
HP ProLiant DL560 Gen11
HP ProLiant DX360 Gen11
HP ProLiant DX365 Gen11
HP ProLiant ML350 Gen11

Other versions of this model

5 more in the same range

Questions about this item

Does the 64GB DDR5 4800 ECC RDIMM arrive as a single module or a kit, and are any extra parts required?

The package contains one 64GB DDR5 4800 PC5-38400 CL40 2Rx4 288-pin 1.1V ECC Registered RDIMM. No additional components are needed for installation.

Which capacity and speed version of this OWC DDR5 ECC RDIMM should I select for my HP ProLiant DL385 Gen11?

This module is the 64GB DDR5 4800 (PC5-38400) CL40 2Rx4 1.1V ECC Registered RDIMM, matching the specification for DL385 Gen11 and the other listed Gen11 servers.

What does the 4800 MT/s rating mean when the module is installed in a ProLiant DX360 Gen11?

At 4800 MT/s the DIMM delivers PC5-38400 bandwidth with CL40 latency, operating at 1.1V as a registered ECC module for server-grade error correction and stability.

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