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Four green DDR3 ECC registered DIMMs in static bags

OWC

OWC 32GB (4x8GB) DDR3 1333 PC3-10600 CL9 2Rx4 240-pin 1.5V ECC Registered RDIMM Server RAM

SKU CH-4Q2M-VRF9D

A 32 GB quad-channel kit of 240-pin DDR3 ECC registered DIMMs running at 1333 MHz with CL9 latency and 1.5 V operation for compatible servers and workstations

  • Total capacity32 GB (4 × 8 GB)
  • Rated speedDDR3 1333 (PC3 10600)
  • CAS latencyCL9
  • Rated voltage1.5 V
  • Buffer typeRegistered
  • Memory rank2Rx4

Capacity 32GB (4 x 8GB)

Rank 2Rx4

  • 32 GB total capacity across four 8 GB modules
  • Registered ECC design detects and corrects data errors
  • DDR3 1333 speed rated at PC3 10600 standard
  • 5 V operation meets JEDEC specification
  • 240 pin RDIMM form factor for server platforms

Server RDIMM kit for ECC workloads

This 32GB kit contains four 8GB DDR3 1333 registered DIMMs built to JEDEC PC3-10600 CL9 specifications. Each module runs at 1.5V with 2Rx4 organisation and a 240-pin interface. ECC and register buffering protect data integrity in multi-socket servers and qualified workstations. The dual-channel kit is validated for select OEM platforms that require registered memory.

Replaces unbuffered or slower DDR3 modules

Systems that currently run unbuffered DDR3 cannot use this kit because registered and unbuffered types cannot be mixed. The upgrade is worthwhile when the platform documentation calls for PC3-10600 registered DIMMs and the installed memory is lower speed, lower capacity or non-ECC. Matching all four slots with identical modules keeps timing consistent across channels.

Handles 32GB of registered ECC capacity

Four ranks per channel provide headroom for virtualisation hosts, database buffers and large-file workloads that benefit from error correction. The 1333 MT/s rate and CL9 latency set the throughput ceiling; workloads that demand higher bandwidth or lower latency will exceed what this DDR3 generation can deliver. No heat spreaders are fitted, so airflow across the modules must be adequate.

How it compares

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

Price $86.99
Cheaper than about 73% of the 6,523 comparable items (median $188.99).
Total capacity 32 GB (4 × 8 GB)
Typical for this category: the median of 6,064 items is 32 GB.
Price per GB $2.72 per GB
Cheaper than about 91% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameOWC
Part number1R3D32R4032S
Total capacity32 GB (4 × 8 GB)
Product type240-Pin DDR3 ECC RDIMM
Performance
Rated speedDDR3 1333 (PC3 10600)
Memory
CAS latencyCL9
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Kit configurationDual Channel Kit
Heat spreaderNo
Power
Rated voltage1.5 V

Other versions of this model

5 more in the same range

Questions about this item

Will these 240-pin DDR3 RDIMMs fit my server's standard DIMM slots?

Yes — the kit uses the industry-standard 240-pin DDR3 form factor, so it fits any server or workstation board that accepts registered DDR3 DIMMs.

What is the correct way to populate the four 8 GB modules for dual-channel operation, and what mistake do installers often make?

Install the modules in matched pairs across the two memory channels; the common error is placing all four sticks in a single channel or mixing them with unbuffered DIMMs, which prevents the system from booting.

When will the ECC registered modules need replacement, and what should I watch for?

ECC registered DDR3 DIMMs have no moving parts and typically last the life of the server; monitor the system's corrected-error counters and replace a module only if uncorrectable errors appear or the platform firmware flags a specific DIMM.

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