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Two green DDR4 LRDIMM modules with black chips, no heat spreaders

OWC

OWC 3L2D44R4256P 256GB (2x128GB) DDR4 3200 CL22 4Rx4 LRDIMM ECC 1.2V

SKU CH-4ZYG-VDS2W

A 256 GB DDR4 3200 CL22 4Rx4 ECC load-reduced DIMM kit for HP ProLiant DL325 Gen10 Plus v2, DL345, DL360, DL365 and DL380 Gen10 Plus servers

  • Capacity256GB (2 x 128GB)
  • Type288-Pin DDR4 ECC LRDIMM
  • SpeedDDR4 3200 (PC4 25600)
  • CAS LatencyCL22
  • Voltage1.2V
  • ECCYes

Capacity 256GB (2 x 128GB)

Struck-through versions exist but are not stocked here.

  • 256 GB total capacity from two 128 GB modules
  • DDR4 3200 speed with CL22 latency for responsive server workloads
  • ECC load-reduced design maintains data integrity in multi-socket systems
  • 2 V operation reduces power draw per DIMM
  • Validated for HP ProLiant DL325 DL345 DL360 DL365 DL380 Gen10 Plus platforms

Server-grade DDR4 LRDIMM kit

This OWC kit provides 256GB of DDR4 3200 ECC Load Reduced memory across two 128GB modules. It is built for HP ProLiant DL345, DL360, DL365, DL380 Gen10 Plus and DL325 Gen10 Plus v2 servers. The 4Rx4 organisation and 1.2V operation suit dense virtualisation and database workloads.

Straightforward DIMM installation

Installation follows standard 288-pin DIMM procedure: power down, open the chassis, align the notch, and press until the latches click. The modules carry no heat spreader, so they fit tight slots without clearance issues. The critical rule is never to mix these Load Reduced DIMMs with unbuffered or standard registered ECC memory; doing so prevents the system from booting.

For ProLiant Gen10 Plus expansion

This kit suits administrators extending memory in the listed HP ProLiant Gen10 Plus servers or replacing HP part numbers such as P06037-B21 and P07652-B21. It is not for standard desktop PCs, workstations that require unbuffered or registered ECC, or any system outside the named compatibility list. Buyers needing different capacities, speeds, or form factors should look elsewhere.

Highlights

  • 256 GB total capacity from two 128 GB modules
  • DDR4 3200 speed with CL22 latency for responsive server workloads
  • ECC load-reduced design maintains data integrity in multi-socket systems
  • 2 V operation reduces power draw per DIMM
  • Validated for HP ProLiant DL325 DL345 DL360 DL365 DL380 Gen10 Plus platforms

Specifications

BrandOWC
Part Number3L2D44R4256P
Capacity256GB (2 x 128GB)
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

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