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Two green 288-pin DDR5 RDIMM modules without heat spreaders

OWC

OWC 32GB (2x16GB) DDR5 4800 CL40 ECC Registered RDIMM memory upgrade

SKU CH-CVG1-YFB6E

32 GB DDR5-4800 ECC registered RDIMM kit for HP ProLiant Gen11 servers

  • Total capacity32 GB (2 × 16 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • Memory rank1Rx8

Capacity 32GB (2 x 16GB)

  • ECC registered design protects data integrity in servers
  • 32GB kit (2×16GB) doubles capacity for virtualisation workloads
  • DDR5 4800 CL40 speed feeds CPU cores with high bandwidth
  • 1V operation reduces power draw per module
  • Validated for HP ProLiant DL325 DL345 DL360 DL365 DL380 Gen11

ECC Registered DDR5 for ProLiant Gen11

This OWC kit delivers 32GB of DDR5 4800 memory as two 16GB registered DIMMs. Each module runs at CL40 with a 1.1V operating voltage and includes on-die ECC for data integrity. The 288-pin RDIMM form factor matches the memory slots in HP ProLiant DL325, DL345, DL360, DL365 and DL380 Gen11 servers. JEDEC compliance ensures the upgrade meets OEM specifications.

Suited for server builds needing registered ECC

Administrators expanding capacity in the listed ProLiant Gen11 platforms will find this kit a direct fit. It is not compatible with standard desktop motherboards or workstations that require unbuffered or load-reduced DIMMs. Buyers who need higher densities per module or mixed-rank configurations should look at other validated options.

Steady throughput under continuous load

Registered buffering reduces electrical loading on the memory controller, helping sustain bandwidth during prolonged workloads such as virtualization or database caching. The 1Rx8 organisation keeps signal integrity stable across all populated channels. ECC correction operates transparently, preventing silent data corruption during extended uptime.

How it compares

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

Price $876.99
Pricier than about 59% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB (2 × 16 GB)
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $27.41 per GB
Pricier than about 76% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number4R8D51R8032P
Total capacity32 GB (2 × 16 GB)
Product type288-Pin DDR5 ECC RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsHP ProLiant DL325 Gen11
HP ProLiant DL345 Gen11
HP ProLiant DL360 Gen11
HP ProLiant DL365 Gen11
HP ProLiant DL380 Gen11

Other versions of this model

5 more in the same range

Questions about this item

Does this kit require an HP ProLiant Gen11 server with DDR5 RDIMM slots to function?

Yes, the 288-pin DDR5 4800 CL40 1.1 V registered ECC modules are validated for the DL325 Gen11, DL345 Gen11, DL360 Gen11, DL365 Gen11 and DL380 Gen11 and will not work in standard desktops.

Can I add these two 16 GB registered DIMMs alongside any existing unbuffered or load-reduced memory already installed?

No, registered ECC RDIMMs cannot be mixed with unbuffered or load-reduced modules; all slots must use the same registered ECC type.

After installation, how can I confirm the kit is running at the rated DDR5 4800 CL40 speed?

Check the server BIOS or iLO interface — it should report each module as 16 GB DDR5 4800 MT/s PC5-38400 CL40 1Rx8 registered ECC at 1.1 V.

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