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Green 240-pin DDR3L ECC RDIMM module, no heat spreader

OWC

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

SKU CH-M3X5-TT34C

Adds 8 GB of DDR3L ECC registered memory at 1600 MHz for compatible Dell PowerEdge 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 speed with CL11 latency boosts throughput
  • Low 1.35 V operation reduces power draw
  • Single 8 GB 1Rx4 module fits 240-pin slots
  • Validated for Dell PowerEdge R320 R415 R420 R420XR R515

Server Memory Upgrade

This 8GB DDR3L 1600 ECC Registered RDIMM is built for Dell PowerEdge R320, R415, R420, R420XR and R515 servers. It replaces Dell part numbers A7134886, A7545680, RKR5J and SNPRKR5JC/8G. The module is not compatible with standard desktop computers and cannot be mixed with unbuffered memory.

Thermals and Power

The module runs at 1.35V, reducing power draw compared with standard DDR3. No heat spreader is fitted, so airflow through the server chassis handles cooling. Registered buffering adds stability for continuous workloads in workstation, server, NAS and router environments.

Deciding Specification

The 240-pin DDR3L ECC Registered form factor with CL11 latency and 1Rx4 rank is the single specification that determines fit. Buyers who need unbuffered memory or a different pin count must choose another module.

Points forts

  • ECC registered design protects data integrity in servers
  • DDR3L 1600 speed with CL11 latency boosts throughput
  • Low 1.35 V operation reduces power draw
  • Single 8 GB 1Rx4 module fits 240-pin slots
  • Validated for Dell PowerEdge R320 R415 R420 R420XR R515

Caractéristiques

BrandOWC
Part Number1R6T31R408GB
Capacity8GB
Type240-Pin DDR3L ECC RDIMM
SpeedDDR3L 1600 (PC3L 12800)
CAS LatencyCL11
Voltage1.35V
ECCYes
Buffered/RegisteredRegistered
Rank1Rx4
Heat SpreaderNo
Compatible SystemDell PowerEdge R320
Dell PowerEdge R415
Dell PowerEdge R420
Dell PowerEdge R420XR
Dell PowerEdge R515

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Questions sur cet article

How do I install this 240-pin DDR3L RDIMM in a Dell PowerEdge R420, and what is the common mistake?

Power down the server, open the chassis, align the notch on the 240-pin module with the slot key, and press firmly until both ejector clips click. The step people miss is confirming the system requires registered ECC memory — this RDIMM will not work in a desktop or alongside unbuffered DIMMs.

What maintenance or replacement will this 8GB 1Rx4 module need over time?

No routine maintenance is required for the module itself. Keep the server air filters clean so the 1.35V DIMM stays within thermal limits. Replacement is only needed if a memory error appears in the system log or a diagnostic test flags the rank.

What limit appears first when this CL11 1600MHz registered DIMM runs under sustained load?

The memory controller’s maximum supported capacity per channel or the total ranked DIMM count per channel is typically reached before the CL11 1600MHz speed becomes a bottleneck. The 1.35V DDR3L voltage helps thermal headroom during continuous operation.

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