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Four green DDR3L ECC registered DIMMs with gold contacts

OWC

OWC 64GB (4x16GB) DDR3L 1600 ECC RDIMM Lenovo x3650 M4

SKU CH-YMHS-4940N

64GB kit of four 16GB DDR3L 1600 ECC registered DIMMs for Lenovo System x3650 M4, x3750 M4 and x3755 M3 servers

  • Capacity64GB (4 x 16GB)
  • Type240-Pin DDR3L ECC RDIMM
  • SpeedDDR3L 1600 (PC3L 12800)
  • CAS LatencyCL11
  • Voltage1.35V
  • ECCYes

Capacity 64GB (4 x 16GB)

  • ECC registered design protects data integrity in server workloads
  • 64GB kit (4 × 16GB) expands memory capacity for virtualisation
  • DDR3L 1600 CL11 at 1.35V reduces power draw versus standard DDR3
  • Validated for Lenovo x3650 M4, x3650 M4 BD, x3650 M4 HD, x3750 M4, x3755 M3
  • Replaces Lenovo part numbers 0C19535, 46W0671 and 46W0672

Kit contents and target systems

This OWC kit delivers 64 GB of DDR3L ECC registered memory in four 16 GB modules. It is built for Lenovo System x3650 M4, x3650 M4 BD, x3650 M4 HD, x3750 M4 and x3755 M3 servers that require 240-pin RDIMMs.

Upgrade path and value

The kit replaces Lenovo part numbers 0C19535, 46W0671 and 46W0672, letting you refresh older infrastructure or expand capacity without sourcing discontinued OEM modules. The jump is worth it when your workloads need registered ECC stability and the 1.35 V DDR3L 1600 specification matches the platform.

Compatibility checks before ordering

Confirm every slot you will populate accepts 2Rx4 registered DIMMs and that the system firmware supports the full 64 GB configuration. This memory will not work in standard desktop boards or in any platform that requires unbuffered modules, so verify the server model exactly.

Pontos fortes

  • ECC registered design protects data integrity in server workloads
  • 64GB kit (4 × 16GB) expands memory capacity for virtualisation
  • DDR3L 1600 CL11 at 1.35V reduces power draw versus standard DDR3
  • Validated for Lenovo x3650 M4, x3650 M4 BD, x3650 M4 HD, x3750 M4, x3755 M3
  • Replaces Lenovo part numbers 0C19535, 46W0671 and 46W0672

Especificações

BrandOWC
Part Number1R6T32R4064S
Capacity64GB (4 x 16GB)
Type240-Pin DDR3L ECC RDIMM
SpeedDDR3L 1600 (PC3L 12800)
CAS LatencyCL11
Voltage1.35V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo
Compatible SystemLenovo System x3650 M4
Lenovo System x3650 M4 BD
Lenovo System x3650 M4 HD
Lenovo System x3750 M4
Lenovo System x3755 M3

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Perguntas sobre este artigo

Does the 240-pin DDR3L RDIMM fit the Lenovo x3650 M4 memory slots?

Yes, the 240-pin DDR3L 1600 ECC Registered DIMMs match the x3650 M4, x3650 M4 BD, x3650 M4 HD, x3750 M4 and x3755 M3 memory slots exactly.

What is the correct way to install the four 16 GB modules in the x3650 M4?

Populate all four modules in matched channel pairs following the server's DIMM population guide; the step often missed is installing them in the exact slot order the guide specifies.

When should the ECC Registered RDIMMs be replaced in a production server?

Replace them if the system logs uncorrectable ECC errors, if memory diagnostics report hard failures, or when a planned capacity upgrade requires different density modules.

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