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Four green DDR3L ECC registered DIMMs with gold contacts

OWC

OWC 128GB (4x32GB) DDR3L 1600 PC3L-12800 CL11 4Rx4 240-pin 1.35V ECC Registered RDIMM Kit

SKU CH-S2PV-915JQ

128 GB DDR3L 1600 ECC registered RDIMM kit in four 32 GB modules for Dell PowerEdge R815, R820, T320, T420 and T620 servers

  • Capacity128GB (4 x 32GB)
  • Type240-Pin DDR3L ECC RDIMM
  • SpeedDDR3L 1600 (PC3L 12800)
  • CAS LatencyCL11
  • Voltage1.35V
  • ECCYes

Capacity 128GB (4 x 32GB)

  • ECC registered design protects data integrity in servers
  • 128 GB total capacity across four 32 GB modules
  • DDR3L 1600 speed with CL11 latency for responsive performance
  • Low 1.35 V operation reduces power draw and heat
  • Validated for Dell PowerEdge R815, R820, T320, T420, T620

Server Memory Kit

This OWC kit supplies 128GB of DDR3L ECC Registered memory across four 32GB modules. It is built for Dell PowerEdge R815, R820, T320, T420 and T620 servers that require registered DIMMs. The modules will not work in standard desktop computers or alongside unbuffered memory.

Thermals and Power

Each module runs at 1.35V, the standard voltage for DDR3L, which helps limit power draw in dense server configurations. No heat spreaders are fitted, so airflow through the chassis must handle cooling. The registered design adds a clock cycle for signal integrity under sustained load.

Build Integration

The 240-pin RDIMMs install directly into the supported PowerEdge platforms without adaptation. JEDEC and RoHS compliance ensures a warranty-safe upgrade path. Buyers needing unbuffered memory or consumer desktop compatibility should look elsewhere.

Highlights

  • ECC registered design protects data integrity in servers
  • 128 GB total capacity across four 32 GB modules
  • DDR3L 1600 speed with CL11 latency for responsive performance
  • Low 1.35 V operation reduces power draw and heat
  • Validated for Dell PowerEdge R815, R820, T320, T420, T620

Specifications

BrandOWC
Part Number1R6T34R4128S
Capacity128GB (4 x 32GB)
Type240-Pin DDR3L ECC RDIMM
SpeedDDR3L 1600 (PC3L 12800)
CAS LatencyCL11
Voltage1.35V
ECCYes
Buffered/RegisteredRegistered
Rank4Rx4
Heat SpreaderNo
Compatible SystemDell PowerEdge R815
Dell PowerEdge R820
Dell PowerEdge T320
Dell PowerEdge T420
Dell PowerEdge T620

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Questions about this item

How do I install the four 240-pin DDR3L ECC Registered RDIMM modules in my Dell PowerEdge R820, and what step is commonly missed?

Power down the server, open the chassis, align each 240-pin module with the slot key and press firmly until both retention clips click; the step often missed is populating all four channels in the correct bank order shown in the R820 service manual.

What maintenance or replacement will the 128GB (4x32GB) DDR3L 1600 CL11 1.35V ECC Registered kit need over its service life?

No scheduled maintenance is required; if a module fails the ECC error logs will identify it, and the faulty 32GB RDIMM can be replaced individually while the remaining three stay in service.

What limit appears first when the four 4Rx4 DDR3L 1600 RDIMMs run sustained workloads in a Dell PowerEdge T620?

The memory controller’s maximum supported rank count per channel is reached first, capping total usable capacity before thermal or bandwidth limits become a factor.

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