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Two green DDR4 RDIMM modules with gold contacts and black chips

OWC

OWC 128GB (2x64GB) DDR4 3200 CL22 2Rx4 288-pin 1.2V ECC Registered RDIMM memory upgrade

SKU CH-AA8N-6JZRJ

128 GB DDR4 ECC registered RDIMM kit (two 64 GB modules) at 3200 MT/s CL22 for HP ProLiant DL385 Gen10 Plus, DL385 Gen10 Plus v2, DX360 Gen10 Plus and DX385 Gen10 Plus servers

  • Total capacity128 GB (2 × 64 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Memory rank2Rx4

Capacity 128GB (2 x 64GB)

  • 128GB total capacity in a 2x64GB kit
  • DDR4 3200 speed rated at PC4-25600
  • CL22 CAS latency with 1.2V operation
  • ECC Registered RDIMM for server error correction
  • Compatible with HP ProLiant DL385 Gen10 Plus and DX360 Gen10 Plus

128GB DDR4 ECC RDIMM kit

This 128GB kit contains two 64GB DDR4 3200 CL22 registered ECC RDIMMs built for specific HP ProLiant servers. It runs at 1.2V with a 2Rx4 organisation and has no heat spreader.

Who this suits and who it does not

It suits administrators upgrading an HP ProLiant DL385 Gen10 Plus, DL385 Gen10 Plus v2, DX360 Gen10 Plus or DX385 Gen10 Plus. It will not work in standard desktops, and it cannot be mixed with unbuffered or load-reduced ECC modules.

Registered ECC requirement

The single specification that decides fitment is the registered ECC RDIMM format; the target system must explicitly support registered ECC DDR4 RDIMMs or the modules will not function.

How it compares

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

Price $766.99
Pricier than about 57% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (2 × 64 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $5.99 per GB
Cheaper than about 65% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number3R2D42R4128P
Total capacity128 GB (2 × 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 DL385 Gen10 Plus
HP ProLiant DL385 Gen10 Plus v2
HP ProLiant DX360 Gen10 Plus
HP ProLiant DX385 Gen10 Plus

Other versions of this model

5 more in the same range

Questions about this item

Will the registered ECC DIMMs need replacement after a certain number of write cycles?

DDR4 ECC RDIMMs do not wear out from write cycles; they only require replacement if a module fails or capacity needs increase.

What is the first limit reached when all 128 GB run at DDR4 3200 continuously?

The CL22 latency at 3200 MT/s sets the throughput ceiling before thermal or power limits appear.

How much heat and power do the two 64 GB sticks produce under all-day load?

Each module runs at 1.2 V with no heat spreader, so total power stays within standard DDR4 RDIMM limits and airflow in the ProLiant chassis handles the heat.

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