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Green 240-pin DDR3L ECC registered DIMM module with black chips

OWC

OWC 16GB DDR3L 1600 PC3L-12800 CL11 2Rx4 ECC Registered DIMM memory upgrade

SKU CH-678M-VNCBS

16 GB DDR3L 1600 ECC registered DIMM for Lenovo Flex System compute nodes x220, x222, x240 and x440

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

Capacity 16GB

  • ECC registered design protects data integrity in servers
  • 16 GB DDR3L 1600 MHz module boosts Lenovo Flex System capacity
  • 35 V low-voltage operation reduces power draw
  • 2Rx4 registered layout ensures stable multi-DIMM performance
  • Replaces Lenovo part numbers 0C19535, 46W0671, 46W0672

OWC 16GB DDR3L 1600 Registered ECC DIMM

This 16GB DDR3L 1600 PC3L-12800 CL11 module is built for Lenovo Flex System compute nodes x220, x222, x240 and x440. It uses registered ECC technology required by those servers and will not work in standard desktop systems or alongside unbuffered memory. The 240-pin form factor fits the approved slots directly.

Capacity and headroom for virtualisation

A single 16GB 2Rx4 stick adds substantial memory for running multiple virtual machines or large databases on the supported nodes. The registered design and ECC correction keep data stable under sustained loads, while the 1.35V DDR3L voltage reduces power draw compared with standard DDR3. Maximum capacity depends on the node's slot count and memory-controller limits.

Fits approved Lenovo nodes without extra parts

The module plugs into the 240-pin DDR3 slots of the listed Flex System nodes, replacing Lenovo part numbers 0C19535, 46W0671 and 46W0672. No heat spreader is included, so airflow in the chassis handles cooling. It cannot be mixed with unbuffered DIMMs and is not compatible with consumer motherboards or laptops.

Points forts

  • ECC registered design protects data integrity in servers
  • 16 GB DDR3L 1600 MHz module boosts Lenovo Flex System capacity
  • 35 V low-voltage operation reduces power draw
  • 2Rx4 registered layout ensures stable multi-DIMM performance
  • Replaces Lenovo part numbers 0C19535, 46W0671, 46W0672

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 Flex System Compute Node x220
Lenovo Flex System Compute Node x222
Lenovo Flex System Compute Node x240
Lenovo Flex System Compute Node x440

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Questions sur cet article

Will this 16GB DDR3L 1600 ECC Registered DIMM work alongside the 8GB unbuffered modules already in my Lenovo x240?

No, the supplier highlights state this registered memory cannot be mixed with unbuffered modules; all slots must use ECC registered DIMMs for the system to operate correctly.

How can I verify the module is running at DDR3L 1600 CL11 1.35V after installation?

Enter the BIOS or use a hardware information utility; the memory information screen should report 1600 MT/s, CL11 timings and 1.35 V for the installed DIMM.

Does the package include only the 16GB 240-pin DDR3L ECC RDIMM or are there extra brackets or cables?

The upgrade consists of a single 16GB DDR3L 1600 PC3L-12800 CL11 2Rx4 240-pin 1.35V ECC Registered DIMM; no brackets, cables or additional parts are included.

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