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Green PCB memory module with gold edge contacts and black chips

OWC

OWC 16GB DDR3L 1600 ECC Registered RDIMM 2Rx4 1.35V 240-pin Lenovo System x3650 M4 BD HD memory upgrade

SKU CH-R9Z4-8WDV1

A 16GB DDR3L 1600 ECC registered RDIMM for Lenovo System x3650 M4, BD, HD, x3750 M4 and x3755 M3 servers

  • Capacity16GB
  • Type240-Pin DDR3L ECC RDIMM
  • SpeedDDR3L 1600 (PC3L 12800)
  • CAS LatencyCL11
  • Voltage1.35V
  • ECCYes

Capacity 16GB

  • 16 GB DDR3L 1600 CL11 ECC registered RDIMM expands server memory
  • 35 V low-voltage DDR3L cuts power draw in compatible Lenovo systems
  • Single 16 GB 2Rx4 module fits 240-pin slots on x3650 M4, x3650 M4 BD, x3650 M4 HD, x3750 M4 and x3755 M3
  • Replaces Lenovo part numbers 0C19535, 46W0671 and 46W0672 for direct upgrade
  • JEDEC-compliant DDR3L tested in-house for reliable server and workstation operation

OWC 16GB DDR3L 1600 ECC Registered RDIMM

This 16GB DDR3L module runs at 1600 MT/s with CL11 latency and 1.35V operation. It uses a 240-pin registered DIMM form factor with 2Rx4 organisation and ECC protection. The part is validated for Lenovo System x3650 M4, x3650 M4 BD, x3650 M4 HD, x3750 M4 and x3755 M3 servers.

Sustained load behaviour of registered ECC DDR3L

Registered buffering reduces electrical load on the memory controller during continuous operation. ECC corrects single-bit errors and detects multi-bit errors without halting the system. The 1.35V DDR3L voltage lowers power draw and heat output compared to standard 1.5V DDR3 during long-running workloads.

DDR3L 240-pin RDIMM practical limits

DDR3L tops out at 1600 MT/s per JEDEC specification, so faster speeds are not available on this interface. Registered DIMMs cannot be mixed with unbuffered modules in the same platform. Capacity per slot is limited by the rank structure and the server memory controller design.

Points forts

  • 16 GB DDR3L 1600 CL11 ECC registered RDIMM expands server memory
  • 35 V low-voltage DDR3L cuts power draw in compatible Lenovo systems
  • Single 16 GB 2Rx4 module fits 240-pin slots on x3650 M4, x3650 M4 BD, x3650 M4 HD, x3750 M4 and x3755 M3
  • Replaces Lenovo part numbers 0C19535, 46W0671 and 46W0672 for direct upgrade
  • JEDEC-compliant DDR3L tested in-house for reliable server and workstation operation

Caractéristiques

BrandOWC
Part Number1R6T32R416GB
Capacity16GB
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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Questions sur cet article

How much power does the 1.35V DDR3L 1600 module draw when the server runs continuously?

At the rated 1.35V the DDR3L RDIMM consumes less power than standard 1.5V DDR3, reducing heat output during all-day operation in a Lenovo System x3650 M4.

What must the system already have for this 2Rx4 ECC registered RDIMM to function?

The Lenovo System x3650 M4, x3650 M4 BD, x3650 M4 HD, x3750 M4 or x3755 M3 must support DDR3L 1600 registered ECC memory and provide a free 240-pin DIMM slot.

Can I add this 16GB 2Rx4 module alongside the original 46W0671 or 46W0672 DIMMs already in my x3650 M4?

Yes, the module replaces Lenovo part numbers 0C19535, 46W0671 and 46W0672, so it can be mixed with those existing registered ECC DIMMs of the same speed and voltage.

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