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Green 240-pin DDR3L RDIMM module with black chips, no heat spreader

OWC

OWC 8GB DDR3L 1600 CL11 ECC Registered RDIMM memory upgrade

SKU CH-96EW-60HJQ

An 8 GB DDR3L ECC registered DIMM running at 1600 MHz with CL11 latency for compatible Lenovo ThinkServer models

  • 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
  • 1600 MHz DDR3L speed matches Lenovo ThinkServer specs
  • 35 V low-voltage operation reduces power draw
  • Single 8 GB 1Rx4 module simplifies capacity upgrades
  • Replaces Lenovo part numbers 00D5035, 00D5036, 46W0700, 46W0771

Server memory upgrade

This OWC module provides 8GB of DDR3L ECC registered memory running at 1600MHz with CL11 latency. It uses a 240-pin RDIMM form factor and operates at 1.35V. The single-rank 1Rx4 design is built for Lenovo ThinkServer RD540, RD630, RD640, TD330 and TD340 systems.

Replaces Lenovo parts

The module replaces Lenovo part numbers 00D5035, 00D5036, 46W0700 and 46W0771. Upgrading is worthwhile when your current server memory is insufficient for virtualisation workloads or when replacing failed registered DIMMs. It will not work in standard desktop computers or alongside unbuffered memory.

Verify server compatibility

Confirm your ThinkServer model matches the supported list before ordering. Ensure all populated slots use registered ECC DDR3L modules at 1.35V to avoid mixing memory types. Check the system documentation for maximum capacity per channel and population rules for 1Rx4 modules.

Highlights

  • ECC registered design protects data integrity in servers
  • 1600 MHz DDR3L speed matches Lenovo ThinkServer specs
  • 35 V low-voltage operation reduces power draw
  • Single 8 GB 1Rx4 module simplifies capacity upgrades
  • Replaces Lenovo part numbers 00D5035, 00D5036, 46W0700, 46W0771

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 ThinkServer RD540
Lenovo ThinkServer RD630
Lenovo ThinkServer RD640
Lenovo ThinkServer TD330
Lenovo ThinkServer TD340

Other versions of this model

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Questions about this item

Does the 240-pin DDR3L RDIMM fit the Lenovo ThinkServer RD540 memory slots?

Yes, the module is a 240-pin DDR3L ECC Registered DIMM built for the ThinkServer RD540, RD630, RD640, TD330 and TD340 platforms.

What is the correct way to seat this registered ECC module so the server recognises the full 8 GB?

Power down, open the chassis, align the notch on the 240-pin edge connector with the slot key, press firmly until both retention clips click, then verify in BIOS that the registered ECC DIMM appears at 1600 MHz.

When should the 1.35 V DDR3L RDIMM be replaced to keep the ThinkServer running reliably?

Replace the module if memory diagnostics report correctable ECC errors that increase over time, if the system fails to POST with the DIMM installed, or when a planned capacity upgrade requires higher-density registered modules.

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