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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

  • Capacity128GB (2 x 64GB)
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 3200 (PC4 25600)
  • CAS LatencyCL22
  • Voltage1.2V
  • ECCYes

Capacity 128GB (2 x 64GB)

Struck-through versions exist but are not stocked here.

  • 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.

Highlights

  • 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

Specifications

BrandOWC
Part Number3R2D42R4128P
Capacity128GB (2 x 64GB)
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 3200 (PC4 25600)
CAS LatencyCL22
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo
Compatible SystemHP 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

Same family, different memory, cooler or clock — compare before you commit.

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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