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Green circuit board with black memory chips in a row, gold edge connector, no heat spreader

OWC

OWC 64GB DDR4 3200 CL22 2Rx4 ECC Registered RDIMM server RAM

SKU CH-NR70-2HQNY

64 GB DDR4 ECC registered RDIMM running at 3200 MT/s with CL22 latency and 1.2 V operation

  • Capacity64GB
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 3200 (PC4 25600)
  • CAS LatencyCL22
  • Voltage1.2V
  • ECCYes
  • 64 GB capacity doubles server memory headroom
  • DDR4 3200 speed accelerates data throughput
  • ECC registered design protects critical workloads
  • CL22 latency keeps response times tight
  • JEDEC compliant build ensures broad compatibility

64GB DDR4 ECC Registered RDIMM

This 64GB DDR4 3200 module is built for workstations and servers that require ECC Registered memory. It operates at CL22 latency with a 1.2V voltage and uses a 2Rx4 rank configuration on a 288-pin form factor. The part is designed as a direct replacement for the QNAP RAM-64GDR4ECK0-RD-3200 specification.

Sustained-load behaviour with ECC registration

The registered buffer reduces electrical load on the memory controller, allowing stable operation when all slots are populated under continuous workloads. ECC circuitry detects and corrects single-bit errors in real time, preventing data corruption during long compute sessions. JEDEC-standard timings ensure consistent throughput without reliance on overclocking headroom.

Verify platform compatibility before ordering

This module will not function in standard desktop computers or consumer motherboards that only support unbuffered non-ECC memory. It cannot be mixed with unbuffered DIMMs in the same system. Confirm your server or workstation explicitly requires DDR4 3200 ECC Registered RDIMMs and check the maximum supported capacity per slot.

Points forts

  • 64 GB capacity doubles server memory headroom
  • DDR4 3200 speed accelerates data throughput
  • ECC registered design protects critical workloads
  • CL22 latency keeps response times tight
  • JEDEC compliant build ensures broad compatibility

Caractéristiques

BrandOWC
Part Number3R2D42R464GB
Capacity64GB
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 3200 (PC4 25600)
CAS LatencyCL22
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo

Questions sur cet article

How much power does the 64GB DDR4 3200 CL22 2Rx4 ECC Registered RDIMM draw at its rated 1.2V?

The module operates at 1.2V, the standard DDR4 voltage for registered ECC DIMMs, keeping power draw low during continuous server workloads.

What motherboard slot and firmware support are required for this 288-pin DDR4 3200 ECC Registered RDIMM to function?

A server or workstation motherboard with 288-pin DDR4 slots that explicitly supports ECC Registered memory is required; standard desktop boards will not work.

Can this 64GB 2Rx4 CL22 Registered ECC module run alongside older DDR4 unbuffered DIMMs in the same system?

No — registered and unbuffered memory cannot be mixed; all installed DIMMs must be ECC Registered with matching specifications for stable operation.

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