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Green circuit board with black memory chips, gold edge connector, no heat spreader

OWC

OWC 128GB DDR4 3200 CL22 4Rx4 ECC LRDIMM 288-pin 1.2V memory upgrade

SKU CH-2KN7-YQ669

128 GB DDR4 3200 CL22 ECC load-reduced LRDIMM for HP ProLiant DL325, DL345, DL360, DL365 and DL380 Gen10 Plus servers

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

Capacity 128GB

Struck-through versions exist but are not stocked here.

  • 128 GB single-module capacity for dense server memory configurations
  • DDR4 3200 CL22 speed with 1.2 V operation for efficient data throughput
  • ECC load-reduced 4Rx4 design improves signal integrity in multi-DIMM server slots
  • Validated for HP ProLiant DL325 Gen10 Plus v2 DL345 DL360 DL365 DL380 Gen10 Plus platforms
  • Backward compatible with 2133 2400 2666 2933 MHz systems for flexible deployment

128GB DDR4 3200 ECC LRDIMM

This is a single 128GB DDR4 3200 PC4-25600 CL22 4Rx4 288-pin 1.2V ECC Load Reduced DIMM module from OWC. It is built for specific HP ProLiant Gen10 Plus servers including the DL325 v2, DL345, DL360, DL365 and DL380.

Server and workstation upgrades only

It suits administrators expanding memory in the listed HP ProLiant models or compatible NAS and workstation systems that accept DDR4 ECC LRDIMMs. It will not work in standard desktop computers and cannot be mixed with unbuffered or standard registered ECC modules.

128GB per module with 3200MHz headroom

One module delivers 128GB capacity at 3200MHz with backward compatibility down to 2133MHz, 2400MHz, 2666MHz and 2933MHz. Total capacity scales with available slots; the 4Rx4 organisation may limit maximum population per channel depending on the platform memory controller.

Highlights

  • 128 GB single-module capacity for dense server memory configurations
  • DDR4 3200 CL22 speed with 1.2 V operation for efficient data throughput
  • ECC load-reduced 4Rx4 design improves signal integrity in multi-DIMM server slots
  • Validated for HP ProLiant DL325 Gen10 Plus v2 DL345 DL360 DL365 DL380 Gen10 Plus platforms
  • Backward compatible with 2133 2400 2666 2933 MHz systems for flexible deployment

Specifications

BrandOWC
Part Number3L2D44R4128G
Capacity128GB
Type288-Pin DDR4 ECC LRDIMM
SpeedDDR4 3200 (PC4 25600)
CAS LatencyCL22
Voltage1.2V
ECCYes
Buffered/RegisteredLoad Reduced
Rank4Rx4
Heat SpreaderNo
Compatible SystemHP 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

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

Questions about this item

Which HP ProLiant Gen10 Plus servers must I already own for this 128GB DDR4 3200 CL22 4Rx4 LRDIMM to work?

This module is validated for the HP ProLiant DL325 Gen10 Plus v2, DL345 Gen10 Plus, DL360 Gen10 Plus, DL365 Gen10 Plus and DL380 Gen10 Plus.

How does this 1.2V ECC Load Reduced DIMM behave alongside older DDR4 modules running at 2133, 2400, 2666 or 2933 MT/s?

The stick is backward compatible with those speeds; the system will downclock the whole bank to the slowest installed module.

How can I confirm the 128GB 4Rx4 module is running at PC4-25600 CL22 with ECC active after installation?

Check the BIOS memory map or run a tool such as dmidecode to verify speed, rank, voltage and ECC status.

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