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Two green DDR3L ECC registered DIMMs with gold contacts

OWC

OWC 32GB (2x16GB) DDR3L 1600 ECC RDIMM CL11 1.35V 2Rx4 240-pin memory upgrade

SKU CH-N4D5-7Z1SQ

32 GB DDR3L 1600 ECC registered DIMM kit for Lenovo Flex System x280 X6, x480 X6 and x880 X6 servers

  • Capacity32GB (2 x 16GB)
  • Type240-Pin DDR3L ECC RDIMM
  • SpeedDDR3L 1600 (PC3L 12800)
  • CAS LatencyCL11
  • Voltage1.35V
  • ECCYes

Capacity 32GB (2 x 16GB)

  • ECC registered design protects data integrity in servers
  • 32GB kit (2×16GB) expands memory capacity for virtualization
  • DDR3L 1600 CL11 at 1.35V lowers power draw vs standard DDR3
  • 240-pin RDIMM fits Lenovo Flex System x280 X6, x480 X6, x880 X6
  • Replaces Lenovo part numbers 0C19535, 46W0671, 46W0672

Product Identity

This 32 GB kit contains two 16 GB DDR3L 1600 ECC registered DIMMs built for Lenovo Flex System x280 X6, x480 X6 and x880 X6 servers. It runs at 1.35 V with CL11 latency and uses a 2Rx4 organisation on 240-pin modules.

Target Builder

Suits administrators upgrading or repairing the three listed Flex System models where ECC registered memory is required. Not for standard desktops, laptops or any system that accepts only unbuffered non-ECC modules.

Deciding Specification

Registered ECC DDR3L at 1600 MT/s and 1.35 V is the single attribute that determines compatibility; the motherboard must support registered error-correcting DDR3L to use this kit.

Highlights

  • ECC registered design protects data integrity in servers
  • 32GB kit (2×16GB) expands memory capacity for virtualization
  • DDR3L 1600 CL11 at 1.35V lowers power draw vs standard DDR3
  • 240-pin RDIMM fits Lenovo Flex System x280 X6, x480 X6, x880 X6
  • Replaces Lenovo part numbers 0C19535, 46W0671, 46W0672

Specifications

BrandOWC
Part Number1R6T32R4032P
Capacity32GB (2 x 16GB)
Type240-Pin DDR3L ECC RDIMM
SpeedDDR3L 1600 (PC3L 12800)
CAS LatencyCL11
Voltage1.35V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo
Compatible SystemLenovo Flex System x280 X6
Lenovo Flex System x480 X6
Lenovo Flex System x880 X6

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

Which Lenovo Flex System servers must I already have for this OWC 32GB DDR3L 1600 ECC RDIMM kit to work?

This kit is validated for the Lenovo Flex System x280 X6, x480 X6 and x880 X6 servers; it replaces Lenovo part numbers 0C19535, 46W0671 and 46W0672.

Can I keep my existing unbuffered DDR3L modules and add these 2Rx4 registered DIMMs alongside them?

No, the manufacturer states that ECC registered memory cannot be mixed with unbuffered memory; all slots must use registered DIMMs of the same type.

How can I confirm the 1600 MHz CL11 1.35 V modules are running correctly after installation?

Check the server BIOS or management console — it should report 32 GB total, DDR3L 1600 (PC3L-12800) speed, CL11 latency, 1.35 V voltage and registered ECC status.

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