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Two green DDR5 RDIMM modules with gold contacts and black chips, no heat spreaders

OWC

OWC 64GB (2x32GB) DDR5 4800 CL40 ECC Registered RDIMM memory upgrade for PowerEdge R760xa R860 R960

SKU CH-VE0A-HAWYN

A 64 GB DDR5 ECC registered RDIMM kit for PowerEdge R760xa, R860 and R960 servers

  • Capacity64GB (2 x 32GB)
  • Type288-Pin DDR5 ECC RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCYes

Capacity 64GB (2 x 32GB)

Show 4 more configurations
  • 64 GB kit expands server capacity with two 32 GB modules
  • DDR5 4800 speed delivers 38400 MT/s data rate for demanding workloads
  • ECC registered design detects and corrects errors to protect data integrity
  • CL40 latency at 1.1 V balances responsiveness with power efficiency
  • Validated for PowerEdge R760xa R860 R960 as a direct replacement for Dell AC239378

Server memory kit

This OWC kit supplies 64GB of DDR5 ECC registered RDIMM memory in two 32GB modules. It is built for Dell PowerEdge R760xa, R860 and R960 servers that require registered error-correcting memory. The modules run at 4800 MT/s with CL40 latency at 1.1V. This memory will not work in standard desktop computers or with unbuffered or load-reduced DIMMs.

Build integration

Each module uses the 288-pin DDR5 RDIMM form factor and a 2Rx8 rank configuration. The registered buffer reduces electrical load on the server memory controller, allowing the full capacity to be populated across compatible channels. The kit replaces Dell part numbers AC239378 and SNPW08W9C/32G for straightforward field upgrades. No heat spreader is fitted, so airflow must follow the server chassis design.

Thermals and power

Operating at 1.1V, the modules draw minimal power per DIMM slot in normal server workloads. The absence of a heat spreader means cooling depends entirely on the directed airflow inside the PowerEdge chassis. JEDEC and RoHS compliance ensure stable operation within the thermal envelope defined by the platform. Acoustic impact is negligible compared to system fans.

Highlights

  • 64 GB kit expands server capacity with two 32 GB modules
  • DDR5 4800 speed delivers 38400 MT/s data rate for demanding workloads
  • ECC registered design detects and corrects errors to protect data integrity
  • CL40 latency at 1.1 V balances responsiveness with power efficiency
  • Validated for PowerEdge R760xa R860 R960 as a direct replacement for Dell AC239378

Specifications

BrandOWC
Part Number4R8D52R8064P
Capacity64GB (2 x 32GB)
Type288-Pin DDR5 ECC RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.1V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx8
Heat SpreaderNo
Compatible SystemPowerEdge R760xa
PowerEdge R860
PowerEdge R960

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Questions about this item

Will the 4800 MT/s speed hold under continuous server load?

The kit is rated at DDR5 4800 (PC5-38400) with CL40 latency and 1.1 V operation, which are the JEDEC limits for sustained server workloads.

How much heat and power do two 32 GB modules draw all day?

Each module runs at 1.1 V with no heat spreader; registered ECC DDR5 at this voltage typically draws only a few watts per DIMM and stays cool in normal server airflow.

Which Dell PowerEdge models must I already own for this kit to work?

The kit is validated for PowerEdge R760xa, R860 and R960 systems and replaces Dell part numbers AC239378 and SNPW08W9C/32G.

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