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Green rectangular DDR5 memory module with gold edge contacts and black chips, no heat spreader

OWC

OWC 64GB DDR5 4800 CL40 2Rx4 288-pin 1.1V ECC RDIMM Gigabyte H223-Z10 H233-Z80 H253-Z10 H273-Z80 H273-Z81

SKU CH-3VYS-YWF3D

64 GB DDR5 4800 CL40 ECC registered DIMM for Gigabyte H223-Z10, H233-Z80, H253-Z10, H273-Z80 and H273-Z81 servers

  • Capacity64GB
  • Type288-Pin DDR5 ECC RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS Latency40
  • Voltage1.1V
  • ECCYes

Capacity 64GB

  • 64GB capacity adds headroom for virtualised workloads
  • DDR5 4800 speed feeds data to multi-core CPUs
  • ECC registered design corrects errors in critical server tasks
  • 1V operation reduces power draw in dense racks
  • Validated for Gigabyte H223-Z10 H233-Z80 H253-Z10 H273-Z80 H273-Z81

OWC 64GB DDR5 ECC RDIMM

This 64GB DDR5 ECC Registered DIMM is built for Gigabyte H223-Z10, H233-Z80, H253-Z10, H273-Z80 and H273-Z81 servers and workstations. It delivers error-correcting memory for workloads that require data integrity. Buyers upgrading standard desktop PCs cannot use this module.

Capacity and headroom for DDR5 4800 systems

The single 64GB module runs at DDR5 4800 with CL40 latency and 1.1V operation, providing substantial headroom for virtualisation, large datasets and multi-user services. Workloads that exceed 64GB per slot will need additional populated channels.

Upgrade path for compatible Gigabyte platforms

It replaces lower-capacity DDR5 ECC RDIMMs in the listed Gigabyte models, letting administrators scale memory without mixing registered and unbuffered types. The jump is worth it when current modules limit container density or database caching.

Highlights

  • 64GB capacity adds headroom for virtualised workloads
  • DDR5 4800 speed feeds data to multi-core CPUs
  • ECC registered design corrects errors in critical server tasks
  • 1V operation reduces power draw in dense racks
  • Validated for Gigabyte H223-Z10 H233-Z80 H253-Z10 H273-Z80 H273-Z81

Specifications

BrandOWC
Part Number4R8D52R464GB
Capacity64GB
Type288-Pin DDR5 ECC RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS Latency40
Voltage1.1V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo
Compatible SystemGigabyte H223-Z10
Gigabyte H233-Z80
Gigabyte H253-Z10
Gigabyte H273-Z80
Gigabyte H273-Z81

Other versions of this model

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Questions about this item

Will the 64GB DDR5 4800 CL40 2Rx4 288-pin 1.1V ECC RDIMM run alongside existing registered ECC modules in my Gigabyte H223-Z10?

Yes, it will operate with other DDR5 ECC registered DIMMs at the same 4800 speed and 1.1V voltage; do not mix with unbuffered or load-reduced memory.

How can I confirm the 64GB DDR5 4800 CL40 2Rx4 288-pin 1.1V ECC RDIMM is working correctly after installation?

Check the system BIOS or UEFI to verify the module is detected at 4800 MT/s with ECC active, then run a memory diagnostic to confirm error-correction operation.

What ships with the OWC 64GB DDR5 4800 CL40 2Rx4 288-pin 1.1V ECC RDIMM and what must I source separately?

The box contains the single 64GB registered DIMM; no heat spreader, cables or additional modules are included.

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