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

OWC

OWC 8GB DDR3L 1600 CL11 ECC Registered RDIMM 1Rx4 1.35V memory upgrade

SKU CH-EDGX-FTMCY

8GB DDR3L 1600 ECC registered RDIMM for Lenovo Flex System x280 X6, x480 X6 and x880 X6 servers

  • Capacity8GB
  • Type240-Pin DDR3L ECC RDIMM
  • SpeedDDR3L 1600 (PC3L 12800)
  • CAS LatencyCL11
  • Voltage1.35V
  • ECCYes

Capacity 8GB

  • ECC registered design protects data integrity in servers
  • 8GB DDR3L 1600 CL11 module expands Lenovo Flex System capacity
  • 35V low-voltage operation reduces power draw in dense chassis
  • 240-pin RDIMM form factor fits x280 X6, x480 X6 and x880 X6
  • Single-rank 1Rx4 layout enables higher density per channel

Server-grade ECC memory upgrade

This 8 GB DDR3L 1600 CL11 registered DIMM is built for Lenovo Flex System x280 X6, x480 X6 and x880 X6 servers. It provides error-correcting code protection and registered buffering required by those platforms. The module will not work in standard desktop computers and cannot be mixed with unbuffered memory.

Low-voltage operation at 1.35 V

Running at 1.35 V, the DDR3L module draws less power than standard DDR3 while maintaining 1600 MHz speed. No heat spreader is fitted, so airflow in the server chassis handles cooling. Registered signalling reduces electrical load on the memory controller for stable operation under continuous workloads.

Direct replacement for Lenovo part numbers

The module replaces Lenovo part numbers 00D5035, 00D5036, 46W0700 and 46W0771 without configuration changes. JEDEC and RoHS compliance ensures a warranty-safe upgrade. No additional software or accessories are bundled with the memory.

Highlights

  • ECC registered design protects data integrity in servers
  • 8GB DDR3L 1600 CL11 module expands Lenovo Flex System capacity
  • 35V low-voltage operation reduces power draw in dense chassis
  • 240-pin RDIMM form factor fits x280 X6, x480 X6 and x880 X6
  • Single-rank 1Rx4 layout enables higher density per channel

Specifications

BrandOWC
Part Number1R6T31R408GB
Capacity8GB
Type240-Pin DDR3L ECC RDIMM
SpeedDDR3L 1600 (PC3L 12800)
CAS LatencyCL11
Voltage1.35V
ECCYes
Buffered/RegisteredRegistered
Rank1Rx4
Heat SpreaderNo
Compatible SystemLenovo Flex System x280 X6
Lenovo Flex System x480 X6
Lenovo Flex System x880 X6

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Questions about this item

How do I install this 240-pin DDR3L RDIMM in a Lenovo Flex System x280 X6, and which alignment step is often missed?

Power down the server, open the chassis, locate the DDR3L DIMM slots, align the module's notch with the slot key, press firmly until both retention clips click, then close the chassis and power on.

What maintenance or replacement will this ECC registered module need during its service life?

No scheduled maintenance is required; the module has no heat spreader or moving parts. Replace it only if memory diagnostics report uncorrectable ECC errors or the system fails to recognise the 8GB capacity.

What limit appears first when this CL11 1.35V RDIMM runs sustained workloads in a Flex System x880 X6?

The registered buffer adds one clock cycle of latency, so the CL11 timing at 1600 MT/s becomes the bottleneck before voltage or thermal limits are reached under continuous load.

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