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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

  • Total capacity32 GB
  • Rated speedDDR3 1333 (PC3 10600)
  • CAS latencyCL9
  • Rated voltage1.5 V
  • Buffer typeRegistered
  • Memory rank4Rx4

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.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $90.99
Cheaper than about 72% of the 6,523 comparable items (median $188.99).
Total capacity 32 GB
Typical for this category: the median of 6,064 items is 32 GB.
Price per GB $2.84 per GB
Cheaper than about 90% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameOWC
Part number1R3D34R432 GB
Total capacity32 GB
Product type240-Pin DDR3 ECC RDIMM
Performance
Rated speedDDR3 1333 (PC3 10600)
Memory
CAS latencyCL9
ECC supportYes
Buffer typeRegistered
Memory rank4Rx4
Heat spreaderNo
Power
Rated voltage1.5 V

Other versions of this model

5 more in the same range

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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