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Four green DDR5 RDIMM modules with gold contacts, no heat spreaders

OWC

OWC 128GB (4x32GB) DDR5 4800 CL40 ECC RDIMM ThinkSystem SR950 V3

SKU CH-4E7A-DRD5Y

128 GB DDR5 ECC registered kit (four 32 GB modules) at 4800 MT/s CL40 for Lenovo ThinkSystem SR950 V3 servers

  • Capacity128GB (4 x 32GB)
  • Type288-Pin DDR5 ECC RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCYes

Capacity 128GB (4 x 32GB)

  • 128 GB total capacity with four 32 GB modules
  • DDR5 4800 speed rated at PC5-38400 for server workloads
  • CL40 latency at 1.1 V for efficient operation
  • ECC registered design protects data integrity in ThinkSystem SR950 V3
  • JEDEC and RoHS compliant for warranty-safe upgrades

Server memory kit

This OWC kit provides 128GB of DDR5 ECC registered memory in four 32GB modules. It is built for the Lenovo ThinkSystem SR950 V3 server platform. The modules run at 4800 MT/s with CL40 latency at 1.1V.

Compatibility check

Verify that your SR950 V3 supports DDR5 4800 registered DIMMs and that the memory population rules allow four 1Rx4 modules. This memory cannot be mixed with unbuffered or load-reduced DIMMs. The system must accept 288-pin registered ECC modules.

Suitable for server upgrades

This kit suits administrators expanding capacity in a compatible ThinkSystem SR950 V3. It is not for desktop PCs or workstations that require unbuffered memory. Buyers needing load-reduced DIMMs or non-ECC modules should look at other memory types.

Puntos fuertes

  • 128 GB total capacity with four 32 GB modules
  • DDR5 4800 speed rated at PC5-38400 for server workloads
  • CL40 latency at 1.1 V for efficient operation
  • ECC registered design protects data integrity in ThinkSystem SR950 V3
  • JEDEC and RoHS compliant for warranty-safe upgrades

Especificaciones

BrandOWC
Part Number4R8D51R4128S
Capacity128GB (4 x 32GB)
Type288-Pin DDR5 ECC RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.1V
ECCYes
Buffered/RegisteredRegistered
Rank1Rx4
Heat SpreaderNo
Compatible SystemLenovo ThinkSystem SR950 V3

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Preguntas sobre este artículo

What does the 128GB kit include and is anything else required for installation?

The kit contains four 32GB DDR5 4800 CL40 1Rx4 288-pin 1.1V ECC Registered RDIMM modules. No additional parts are required for a compatible ThinkSystem SR950 V3 server.

How do I decide between the available capacities for this server?

This listing provides a single 128GB configuration as four 32GB modules. Select this kit when your SR950 V3 needs that total capacity in a matched set.

What does the DDR5 4800 CL40 rating mean for real-world server performance?

The modules run at 4800 MT/s with CAS latency 40 at 1.1V, delivering JEDEC-standard bandwidth and error-corrected stability for the SR950 V3 memory subsystem.

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