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Green 240-pin DDR3L ECC registered DIMM with gold contacts

OWC

OWC 8GB DDR3L 1600 CL11 1Rx4 1.35V ECC Registered RDIMM 1R6T31R408GB

SKU CH-6QEA-HA8V2

8GB DDR3L 1600 CL11 ECC registered RDIMM for Lenovo Flex System Compute Node x220, x222, x240 and x440 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
  • DDR3L 1600 CL11 speed matches Lenovo Flex System specs
  • 35 V low-voltage operation reduces power draw
  • Single 8 GB 1Rx4 module simplifies capacity scaling
  • Replaces Lenovo part numbers 00D5035, 00D5036, 46W0700, 46W0771

Server memory upgrade

This OWC module adds 8GB of DDR3L 1600 ECC Registered memory to compatible Lenovo Flex System compute nodes. It is built for x220, x222, x240 and x440 servers that require registered DIMMs with error correction. Standard desktop motherboards cannot use this memory type.

Low-voltage operation

The DDR3L design runs at 1.35V, reducing power draw and heat output compared to standard DDR3 modules. No heat spreader is fitted, so airflow through the server chassis handles cooling. CL11 latency at 1600MHz delivers stable throughput for typical server workloads.

Direct replacement

The single 240-pin RDIMM replaces Lenovo part numbers 00D5035, 00D5036, 46W0700 and 46W0771 without configuration changes. Buyers needing unbuffered memory or desktop compatibility should select a different module.

Pluspunten

  • ECC registered design protects data integrity in servers
  • DDR3L 1600 CL11 speed matches Lenovo Flex System specs
  • 35 V low-voltage operation reduces power draw
  • Single 8 GB 1Rx4 module simplifies capacity scaling
  • Replaces Lenovo part numbers 00D5035, 00D5036, 46W0700, 46W0771

Specificaties

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 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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Vragen over dit artikel

How do I install this 240-pin DDR3L ECC RDIMM in a Lenovo Flex System x220, and what step is often missed?

Align the notch on the module with the slot key, press firmly until both latches click, and verify the system recognises the registered ECC type in BIOS — skipping the latch check is the common error.

What maintenance or replacement will this 1.35V registered module need over time?

No scheduled maintenance is required; replace only if memory diagnostics report correctable ECC errors that become uncorrectable, indicating cell wear.

What limit appears first when this CL11 1Rx4 module runs sustained workloads in a x240 compute node?

The registered buffer adds one cycle of latency, so memory-controller throughput saturates before the 1600 MT/s data rate becomes the bottleneck.

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