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Green DDR3 ECC registered RDIMM circuit board with gold edge connector and black memory chips

OWC

OWC 8GB DDR3 1333 ECC Registered RDIMM Server RAM

SKU CH-NCRA-GNCS9

8GB DDR3 1333 ECC registered server memory module with CL9 latency and 1.5V operation

  • Total capacity8 GB
  • Rated speedDDR3 1333 (PC3 10600)
  • CAS latencyCL9
  • Rated voltage1.5 V
  • Buffer typeRegistered
  • Memory rank2Rx4
  • ECC registered design protects server data integrity
  • DDR3 1333 speed matches PC3-10600 specification
  • 8GB capacity with 2Rx4 rank organisation
  • JEDEC and ROHS compliant for warranty-safe upgrades
  • 240-pin 1.5V module fits registered DIMM slots

Server ECC Registered DIMM

This 8 GB DDR3 module is built for workstations and servers that require ECC registered memory. It operates at 1333 MHz with CL9 latency and a 1.5 V supply. The 2Rx4 dual-rank organisation suits multi-slot configurations where registered buffering is mandatory.

240-pin DDR3 form factor

The standard 240-pin RDIMM layout fits server mainboards designed for registered ECC DDR3. No heat spreader is fitted, so airflow across the PCB is unimpeded in dense chassis. JEDEC and RoHS compliance confirms the module meets baseline electrical and environmental specs for warranty-safe upgrades.

Verify registered ECC support

Check that your platform explicitly accepts DDR3 registered ECC RDIMMs; standard desktop boards will not post with this module. Do not mix registered and unbuffered DIMMs in the same system. Confirm the memory controller can address 2Rx4 modules at the required speed before ordering.

How it compares

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

Price $24.99
Cheaper than about 93% of the 6,523 comparable items (median $188.99).
Total capacity 8 GB
Lower than about 80% of the 6,064 comparable items (median 32 GB).
Price per GB $3.12 per GB
Cheaper than about 88% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameOWC
Part number1R3D32R408 GB
Total capacity8 GB
Product type240-Pin DDR3 ECC RDIMM
Performance
Rated speedDDR3 1333 (PC3 10600)
Memory
CAS latencyCL9
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.5 V

Questions about this item

What does the DDR3 1333 PC3-10600 CL9 rating mean for real-world throughput?

The module runs at 1333 MT/s with a peak bandwidth of PC3-10600 and a CAS latency of 9 cycles, so sustained throughput is capped by the DDR3-1333 JEDEC ceiling.

What slot and physical clearance does the 240-pin 2Rx4 RDIMM require?

It needs a standard 240-pin DDR3 DIMM socket; the registered 2Rx4 design adds a register chip but keeps the same height as a plain DDR3 module, so no extra clearance is needed.

How do I install this ECC registered RDIMM and what step is commonly missed?

Power down, open the chassis, align the notch on the 240-pin edge connector, press firmly until both latches click, then verify in BIOS that ECC and registered mode are enabled — skipping the BIOS check is the step most people forget.

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