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Two green DDR3 ECC registered RDIMM sticks with gold contacts and black chips

OWC

OWC 16GB (2x8GB) DDR3 1333 ECC Registered RDIMM Kit for Lenovo x3550 M3 R4 x3650 M2

SKU CH-QH3S-G6K5H

16 GB DDR3 1333 ECC registered RDIMM kit for Lenovo x3550 M3 R4 and x3650 M2 servers

  • Capacity16GB (2 x 8GB)
  • Type240-Pin DDR3 ECC RDIMM
  • SpeedDDR3 1333 (PC3 10600)
  • CAS LatencyCL9
  • Voltage1.5V
  • ECCYes

Capacity 16GB (2 x 8GB)

  • ECC Registered design protects server data integrity
  • 16 GB kit (2×8 GB) expands Lenovo x3550 M3 R4 and x3650 M2 capacity
  • DDR3 1333 CL9 at 1.5 V matches system specifications
  • 240-pin 2Rx4 registered modules install directly in supported slots
  • Replaces Lenovo part numbers including 0A89412 and 46C7449

Server ECC RDIMM kit

This OWC kit supplies 16 GB of DDR3 1333 ECC registered memory in a matched pair of 8 GB modules. It is built for Lenovo System x3550 M3 R4 and x3650 M2 servers that require 240-pin RDIMMs with 2Rx4 organisation. The modules run at 1.5 V with CL9 latency and include on-die error correction for data integrity.

Replaces Lenovo service parts

The kit replaces Lenovo part numbers 0A89412, 46C0542, 46C7449, 46U3419, 49Y1436, 49Y1446, 57Y4427, 67Y0017 and 67Y1464. The upgrade is worthwhile when the existing configuration uses smaller RDIMMs or unbuffered DIMMs that cannot be mixed with registered modules. It will not work in standard desktop platforms or in systems that only accept unbuffered memory.

Fits 240-pin registered slots

Installation requires available 240-pin DDR3 RDIMM slots that support registered ECC modules at 1333 MT/s. The kit frees the builder from sourcing individual sticks and guarantees matched capacity, speed and rank across both modules. It is not compatible with consumer motherboards, laptop SO-DIMM slots or any platform that does not explicitly support registered ECC DDR3.

Points forts

  • ECC Registered design protects server data integrity
  • 16 GB kit (2×8 GB) expands Lenovo x3550 M3 R4 and x3650 M2 capacity
  • DDR3 1333 CL9 at 1.5 V matches system specifications
  • 240-pin 2Rx4 registered modules install directly in supported slots
  • Replaces Lenovo part numbers including 0A89412 and 46C7449

Caractéristiques

BrandOWC
Part Number1R3D32R4016P
Capacity16GB (2 x 8GB)
Type240-Pin DDR3 ECC RDIMM
SpeedDDR3 1333 (PC3 10600)
CAS LatencyCL9
Voltage1.5V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo
Compatible SystemLenovo System x3550 M3 R4
Lenovo System x3650 M2

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Questions sur cet article

Will the 240-pin DDR3 RDIMM modules fit the memory slots in my Lenovo x3550 M3 R4?

Yes, the kit uses the standard 240-pin DDR3 registered DIMM form factor required by the x3550 M3 R4 and x3650 M2 servers.

Do I need to install the two 8 GB sticks as a matched pair, or can I add just one?

Install both modules together as a matched pair; the 2Rx4 registered ECC design is validated for dual-channel operation in these systems.

How long before the ECC registered DIMMs typically need replacement in a server running 24/7?

DDR3 registered ECC modules have no fixed replacement interval; they remain in service until a memory error is logged or a capacity upgrade is required.

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