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Eight green DDR4 RDIMM modules in a row

OWC

OWC 512GB (8x64GB) DDR4 3200 CL22 2Rx4 288-pin ECC Registered RDIMM Kit for HP ProLiant Gen10 Plus

SKU CH-MMMQ-5HBDV

Eight-module kit provides 512 GB of DDR4 3200 ECC registered memory for HP ProLiant Gen10 Plus servers

  • Total capacity512 GB (8 × 64 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Memory rank2Rx4

Capacity 512GB (8 x 64GB)

  • 512GB total capacity for large-scale virtualization workloads
  • ECC registered design detects and corrects single-bit errors
  • DDR4 3200 speed matches HP ProLiant Gen10 Plus specifications
  • 8 x 64GB 2Rx4 modules populate all channels evenly
  • Replaces HP part numbers P43170-B21 P06035-B21 P07650-B21 P25205-B21

512 GB DDR4 ECC RDIMM kit for HP ProLiant Gen10 Plus

This OWC kit delivers 512 GB of DDR4 3200 registered ECC memory across eight 64 GB modules. It is built for HP ProLiant DL325 Gen10 Plus v2, DL345, DL360, DL365 and DL380 Gen10 Plus servers that require 288-pin RDIMMs with a 2Rx4 organisation.

Verify registered ECC slots and existing population

Your server must accept registered ECC RDIMMs; unbuffered or load-reduced DIMMs will not work in the same channels. Confirm the motherboard has eight free 288-pin slots or plan to replace the current set so every module matches in capacity, speed and rank.

Fills eight slots at 1.2 V with no heat spreader

The modules run at the standard 1.2 V and have no heat spreader, so they fit tightly spaced DIMM sockets without clearance issues. Populating all eight channels maximises the platform's memory bandwidth and leaves no stranded capacity for future expansion.

How it compares

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

Price $3,356.99
Pricier than about 74% of the 21,161 comparable items (median $397.99).
Total capacity 512 GB (8 × 64 GB)
Higher than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $6.56 per GB
Cheaper than about 60% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number3R2D42R4512K
Total capacity512 GB (8 × 64 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

Does the 512GB kit include eight 64GB modules or do I need to buy additional DIMMs?

The kit contains eight 64GB DDR4 3200 CL22 2Rx4 registered ECC RDIMMs, giving a total of 512GB with nothing else required.

Should I choose this 512GB 3200 CL22 kit or a lower-capacity option for my HP ProLiant DL380 Gen10 Plus?

Select this 512GB kit when you need the maximum supported capacity across eight slots; choose a smaller kit only if your workload fits in less memory.

Will the PC4-25600 rating run at 3200 MT/s in a DL360 Gen10 Plus without manual BIOS changes?

Yes, the modules are JEDEC-standard DDR4 3200 and will operate at that speed automatically in the listed ProLiant Gen10 Plus servers.

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