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Green 240-pin DDR3 RDIMM module with black chips

OWC

OWC 1R3D34R432GB 32GB DDR3 1333 PC3-10600 CL9 4Rx4 240-pin 1.5V ECC Registered RDIMM server RAM

SKU CH-CXM3-5QGEA

A 32 GB DDR3 ECC registered DIMM running at 1333 MHz with CL9 latency and 1.5 V for server workloads

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

Capacity 32GB

Rank 4Rx4

  • 32 GB capacity lets servers handle larger workloads
  • DDR3 1333 speed delivers reliable data throughput
  • ECC registered design protects against memory errors
  • 4Rx4 organisation maximises density per module
  • 5 V JEDEC standard ensures broad platform compatibility

Single-Module 32GB DDR3 ECC RDIMM

This OWC 1R3D34R432GB module delivers 32GB of DDR3 1333 (PC3-10600) registered ECC memory in a 240-pin form factor. It operates at 1.5V with CL9 latency and a 4Rx4 rank configuration. The module lacks a heat spreader and is built to JEDEC and RoHS standards for server and workstation environments.

For Servers Requiring Registered ECC

This memory suits administrators upgrading or repairing DDR3-era servers and workstations that require registered ECC RDIMMs. It will not function in standard desktop computers or any system that accepts only unbuffered non-ECC modules. Buyers needing unbuffered memory or consumer DIMM form factors should look elsewhere.

32GB Single-Module Capacity

The 32GB capacity on a single DDR3 RDIMM allows high-density population of available slots in compatible platforms. Verify that the target system supports 4Rx4 registered modules at DDR3 1333 before purchase.

Highlights

  • 32 GB capacity lets servers handle larger workloads
  • DDR3 1333 speed delivers reliable data throughput
  • ECC registered design protects against memory errors
  • 4Rx4 organisation maximises density per module
  • 5 V JEDEC standard ensures broad platform compatibility

Specifications

BrandOWC
Part Number1R3D34R432GB
Capacity32GB
Type240-Pin DDR3 ECC RDIMM
SpeedDDR3 1333 (PC3 10600)
CAS LatencyCL9
Voltage1.5V
ECCYes
Buffered/RegisteredRegistered
Rank4Rx4
Heat SpreaderNo

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

Does my motherboard need 240-pin DDR3 slots that support ECC registered memory for this 32GB module to work?

Yes, the module is a 240-pin DDR3 ECC Registered RDIMM that requires a server or workstation board with registered-memory support; standard desktop boards will not accept it.

Can I keep my existing DDR3 1333 unbuffered DIMMs installed alongside this 4Rx4 registered module?

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

How can I verify the module is running at the rated 1333 MT/s with CL9 timings after installation?

Check the BIOS memory information or a tool such as CPU-Z; it should report DDR3-1333 (PC3-10600) at CL9 and show the 32GB capacity with ECC active.

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