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Four green DDR3 ECC registered DIMMs on a tray

OWC

OWC 32GB (4x8GB) DDR3 1333 PC3-10600 CL9 ECC RDIMM Kit

SKU CH-95EZ-02FYG

32GB DDR3 1333 ECC registered kit for Lenovo System x3400 M2, x3400 M3, x3500 M2, x3500 M3 and x3550 M2 servers

  • Capacity32GB (4 x 8GB)
  • Type240-Pin DDR3 ECC RDIMM
  • SpeedDDR3 1333 (PC3 10600)
  • CAS LatencyCL9
  • Voltage1.5V
  • ECCYes

Capacity 32GB (4 x 8GB)

  • ECC registered design prevents data errors in servers
  • 32GB kit (4×8GB) expands memory capacity for Lenovo systems
  • DDR3 1333 PC3-10600 CL9 matches supported speed spec
  • 5V 240-pin RDIMM fits x3400 M2, M3, x3500 M2, M3, x3550 M2
  • Replaces Lenovo part numbers including 46C0542 and 49Y1436

OWC 32GB DDR3 ECC Registered Kit

This 32GB kit contains four 8GB DDR3 1333 PC3-10600 CL9 registered DIMMs built for Lenovo System x3400 M2, x3400 M3, x3500 M2, x3500 M3 and x3550 M2 servers. It delivers ECC error correction and registered buffering required by those platforms.

Capacity and headroom for virtualised workloads

The 32GB total across four modules fills four slots and supports moderate virtualisation, database caching and multi-user file services. Workloads that exceed 32GB or demand higher memory bandwidth will outgrow this configuration.

Fits 240-pin DDR3 server boards

Installation requires a mainboard that accepts 240-pin DDR3 ECC registered DIMMs at 1.5V and cannot mix with unbuffered modules. The kit replaces Lenovo part numbers including 0A89412, 46C0542 and 49Y1436, freeing budget for other upgrades.

Highlights

  • ECC registered design prevents data errors in servers
  • 32GB kit (4×8GB) expands memory capacity for Lenovo systems
  • DDR3 1333 PC3-10600 CL9 matches supported speed spec
  • 5V 240-pin RDIMM fits x3400 M2, M3, x3500 M2, M3, x3550 M2
  • Replaces Lenovo part numbers including 46C0542 and 49Y1436

Specifications

BrandOWC
Part Number1R3D32R4032S
Capacity32GB (4 x 8GB)
Type240-Pin DDR3 ECC RDIMM
SpeedDDR3 1333 (PC3 10600)
CAS LatencyCL9
Voltage1.5V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo
Compatible SystemLenovo System x3400 M2
Lenovo System x3400 M3
Lenovo System x3500 M2
Lenovo System x3500 M3
Lenovo System x3550 M2

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Questions about this item

Will these 240-pin DDR3 1333 CL9 ECC RDIMMs run alongside any existing unbuffered modules I keep in my Lenovo x3500 M2?

No, the manufacturer states these registered modules cannot be mixed with unbuffered memory; all slots must use registered ECC DIMMs for the server to operate correctly.

How can I confirm the 32 GB kit is recognised at the rated 1333 MHz after installation?

Enter the system BIOS or UEFI on boot and verify the memory speed shows 1333 MHz (PC3-10600) with all four 8 GB modules listed and ECC active.

Does the kit include only the four 8 GB RDIMMs or are any extra parts such as a heat spreader or installation tool supplied?

The package contains the four 240-pin 1.5 V 2Rx4 ECC registered DIMMs only; no heat spreaders or tools are included.

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