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Green rectangular DDR4 RDIMM module with black chips and gold contacts

OWC

OWC 64GB DDR4 3200 PC4-25600 CL22 2Rx4 288-pin 1.2V ECC Registered RDIMM memory upgrade

SKU CH-PV2C-PWVHK

64 GB DDR4 3200 ECC registered RDIMM for HP ProLiant DL325, DL345, DL360, DL365 and DL380 Gen10 Plus servers

  • Total capacity64 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Memory rank2Rx4

Capacity 64GB

  • 64GB capacity expands server memory headroom
  • DDR4 3200 speed matches system specifications
  • ECC registered design protects data integrity
  • 2Rx4 dual-rank organisation optimises bandwidth
  • 2V operation reduces power consumption

64GB DDR4 ECC RDIMM for HPE ProLiant Gen10 Plus

This 64GB DDR4 3200 module is an ECC registered DIMM built for HPE ProLiant DL325 Gen10 Plus v2, DL345 Gen10 Plus, DL360 Gen10 Plus, DL365 Gen10 Plus and DL380 Gen10 Plus servers. It targets administrators who need to expand memory capacity on these specific platforms with a single high-density stick.

Verify registered ECC requirement

Confirm that your server currently uses registered ECC DDR4 memory, because this module will not work with unbuffered or load-reduced DIMMs. Check that a free 288-pin DDR4 slot exists and that the system firmware supports 64GB 2Rx4 modules at 1.2V before ordering.

Replaces HP part numbers P43170-B21 P06035-B21

This upgrade directly substitutes the listed HP part numbers, letting you add 64GB per slot instead of lower-capacity originals. The jump is worthwhile when you need maximum density per channel to consolidate workloads or delay a platform refresh.

How it compares

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

Price $410.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 64 GB
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $6.42 per GB
Cheaper than about 61% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number3R2D42R464 GB
Total capacity64 GB
Product type288-Pin DDR4 ECC RDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latencyCL22
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsHP ProLiant DL325 Gen10 Plus v2
HP ProLiant DL345 Gen10 Plus
HP ProLiant DL360 Gen10 Plus
HP ProLiant DL365 Gen10 Plus
HP ProLiant DL380 Gen10 Plus

Other versions of this model

5 more in the same range

Questions about this item

What comes in the box with the OWC 64GB DDR4 3200 ECC RDIMM and is anything else required?

The package contains one 64GB DDR4 3200 PC4-25600 CL22 2Rx4 288-pin 1.2V ECC Registered RDIMM module. No extra parts are needed for installation in a compatible HP ProLiant server.

Which capacity should I pick for the HP ProLiant DL380 Gen10 Plus if I want a single-module upgrade?

Choose the 64GB module (part number 3R2D42R464GB) — it is a single DIMM that matches the server's DDR4 3200 registered ECC requirement and replaces HP part numbers such as P43170-B21 and P06035-B21.

What does the 3200 MT/s rating mean once the module is installed in a DL360 Gen10 Plus?

The memory will run at up to 3200 MT/s (PC4-25600) with CL22 latency at 1.2V, delivering the full rated bandwidth provided the server's memory controller supports that speed and the DIMM population rules are followed.

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