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Green rectangular DDR4 memory module with gold contacts and black chips, no heat spreader

OWC

OWC 64GB DDR4 3200 ECC RDIMM CL22 2Rx4 288-pin 1.2V Gigabyte R272-P32/P33/Z30-Z32

SKU CH-5EVY-HGBXN

A single 64 GB DDR4 3200 ECC registered RDIMM for Gigabyte R272-P32, R272-P33, R272-Z30, R272-Z31 and R272-Z32 servers

  • Capacity64GB
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 3200 (PC4 25600)
  • CAS Latency22
  • Voltage1.2V
  • ECCYes

Capacity 64GB

Struck-through versions exist but are not stocked here.

  • High-capacity single module delivers 64GB for demanding server workloads
  • ECC registered design detects and corrects data errors in critical applications
  • JEDEC-standard DDR4 3200 speed with CL22 latency ensures reliable performance
  • Low 1.2V operation reduces power draw in dense configurations
  • Validated for Gigabyte R272-P32, P33, Z30, Z31 and Z32 systems

Server-grade ECC RDIMM for Gigabyte R272 series

This 64GB DDR4 3200 module is built for Gigabyte R272-P32, P33, Z30, Z31 and Z32 servers and workstations. It uses registered ECC technology that detects and corrects single-bit errors to protect data integrity. The module runs at 1.2V and conforms to JEDEC PC4-25600 specifications. It is not compatible with standard desktop platforms or unbuffered memory configurations.

Single 64GB rank with backward speed support

The 2Rx4 organisation delivers 64GB in one DIMM slot, leaving remaining slots free for future expansion. Rated at CL22 latency, it operates at 3200MHz and will also run at 2933, 2666, 2400 or 2133MHz when the system requires a lower speed. Mixing with load-reduced or unbuffered ECC modules is not supported, so capacity planning must use matching registered DIMMs.

Passive design for dense server chassis

No heat spreader is fitted, allowing the module to fit tight clearances in 1U and blade enclosures. Registered buffering reduces electrical load on the memory controller, helping stability at full population. Power draw stays at the standard 1.2V DDR4 level, and the passive construction adds no fan noise. Thermal performance depends on chassis airflow rather than onboard cooling.

Highlights

  • High-capacity single module delivers 64GB for demanding server workloads
  • ECC registered design detects and corrects data errors in critical applications
  • JEDEC-standard DDR4 3200 speed with CL22 latency ensures reliable performance
  • Low 1.2V operation reduces power draw in dense configurations
  • Validated for Gigabyte R272-P32, P33, Z30, Z31 and Z32 systems

Specifications

BrandOWC
Part Number3R2D42R464GB
Capacity64GB
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 3200 (PC4 25600)
CAS Latency22
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo
Compatible SystemGigabyte R272-P32
Gigabyte R272-P33
Gigabyte R272-Z30
Gigabyte R272-Z31
Gigabyte R272-Z32

Other versions of this model

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Questions about this item

Will this 64GB DDR4 3200 ECC RDIMM run with my existing 2666MHz modules in a Gigabyte R272 server?

The module is backward compatible with 2133, 2400, 2666 and 2933MHz speeds, so it will downclock to match your current 2666MHz DIMMs. However, registered ECC cannot be mixed with unbuffered or load-reduced ECC memory.

How can I verify the 3200MHz CL22 registered ECC module is detected correctly after installation?

Enter the server BIOS or UEFI and confirm the memory reports 64GB capacity, 3200MHz speed (or the downclocked speed), CL22 latency, 1.2V voltage and registered ECC status.

Does the single 64GB 2Rx4 288-pin RDIMM ship with any cables, brackets or a heat spreader?

The box contains only the memory module itself. No heat spreader, cables, brackets or additional accessories are included.

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