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Green 240-pin DDR3 ECC registered DIMM module with black chips

OWC

OWC 32GB DDR3 1600 ECC Registered RDIMM 240-pin 1.5V 4Rx4 CL11

SKU CH-N62D-4XTZW

32 GB DDR3 ECC registered RDIMM running at 1600 MHz CL11 for servers and NAS systems

  • Total capacity32 GB
  • Rated speedDDR3 1600 (PC3 12800)
  • CAS latencyCL11
  • Rated voltage1.5 V
  • Buffer typeRegistered
  • Memory rank4Rx4
  • 32GB capacity extends server workload headroom
  • ECC registered design protects data integrity in critical tasks
  • DDR3 1600 CL11 speed matches OEM QNAP specifications
  • 5V JEDEC standard voltage ensures broad platform compatibility
  • 240-pin 4Rx4 RDIMM form factor fits workstation and NAS slots

Server-grade DDR3 ECC RDIMM

This 32 GB DDR3 1600 registered DIMM is built for workstations, servers and NAS systems that require error-correcting, buffered memory. It will not work in standard desktop computers and cannot be mixed with unbuffered modules. The module follows JEDEC and RoHS standards for warranty-safe upgrades.

32 GB capacity with CL11 latency

The single module delivers 32 GB at PC3-12800 speed and CAS latency 11, operating at 1.5 V. It provides substantial headroom for virtualisation, large datasets and multi-user NAS workloads. Systems limited to lower-density ranks or unbuffered memory will not recognise this 4Rx4 registered stick.

240-pin registered form factor

The 240-pin RDIMM fits DDR3 server boards that support registered ECC memory and 4Rx4 organisation. It requires a platform with registered-memory capability and cannot be used alongside unbuffered DIMMs. No heat spreader is included, so airflow in the chassis should be adequate for sustained loads.

How it compares

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

Price $78.99
Cheaper than about 75% 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 $2.47 per GB
Cheaper than about 92% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameOWC
Part number1R6D34R432 GB
Total capacity32 GB
Product type240-Pin DDR3 ECC RDIMM
Performance
Rated speedDDR3 1600 (PC3 12800)
Memory
CAS latencyCL11
ECC supportYes
Buffer typeRegistered
Memory rank4Rx4
Heat spreaderNo
Power
Rated voltage1.5 V

Questions about this item

Will this 240-pin DDR3 ECC Registered RDIMM work in a motherboard that currently uses unbuffered DDR3 modules?

No, registered memory cannot be mixed with unbuffered memory; the motherboard must support ECC Registered RDIMMs specifically.

How can I verify the module is running at PC3-12800 CL11 after installation?

Check the BIOS or a system-information tool; it should report DDR3 1600 speed with CAS latency 11 and show ECC active.

Does the 32GB 4Rx4 module ship with a heat spreader or any extra accessories?

The module has no heat spreader and includes only the RDIMM itself; no cables, brackets or additional parts are supplied.

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