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

OWC

OWC 32GB DDR5 4800 CL40 2Rx8 288-pin 1.1V ECC Registered RDIMM for Dell PowerEdge R660XS R760XS memory upgrade

SKU CH-E8X3-GPBZZ

Adds 32GB of DDR5 4800 ECC registered memory to compatible Dell PowerEdge R660XS and R760XS servers

  • Capacity32GB
  • Type288-Pin DDR5 ECC RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCYes

Capacity 32GB

  • 32 GB capacity expands server memory headroom
  • DDR5 4800 CL40 rated speed matches platform spec
  • ECC registered design protects data integrity in critical workloads
  • 1 V operation reduces power draw per module
  • Validated for Dell PowerEdge R660XS and R760XS systems

Server-grade DDR5 for Dell PowerEdge R660XS

This 32GB registered ECC module is built for Dell PowerEdge R660XS and R760XS servers. It delivers DDR5 4800 speed with CL40 latency at 1.1V. The 2Rx8 organisation and 288-pin RDIMM form factor match the platform requirements exactly. It will not work in standard desktops or with unbuffered memory.

Passive cooling with low-voltage operation

No heat spreader is fitted, so airflow from the server chassis handles thermals. The 1.1V DDR5 voltage keeps power draw low during normal workloads. Registered buffering adds a clock cycle but reduces electrical load on the memory controller. Silent operation is assured because there are no active cooling components.

Single 32GB registered DIMM

One module provides 32GB of DDR5 4800 ECC registered capacity. It replaces Dell part numbers AC239378 and SNPW08W9C/32G. Buyers who need unbuffered ECC or load-reduced DIMMs cannot use this module. Mixing with those types is not supported.

Highlights

  • 32 GB capacity expands server memory headroom
  • DDR5 4800 CL40 rated speed matches platform spec
  • ECC registered design protects data integrity in critical workloads
  • 1 V operation reduces power draw per module
  • Validated for Dell PowerEdge R660XS and R760XS systems

Specifications

BrandOWC
Part Number4R8D52R832GB
Capacity32GB
Type288-Pin DDR5 ECC RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.1V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx8
Heat SpreaderNo
Compatible SystemDell PowerEdge R660XS
Dell PowerEdge R760XS

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Questions about this item

How is the 288-pin DDR5 RDIMM seated in the PowerEdge R660XS, and which alignment step is often missed?

Align the module key notch with the slot key, press straight down until both side latches click, then verify the latches are fully locked; the missing step is failing to confirm both latches engaged.

What maintenance or replacement will the 32GB ECC registered module need over its service life?

No scheduled maintenance is required; the module is tested to JEDEC and RoHS standards and covered by a limited lifetime warranty, so replacement only occurs if a failure is detected.

What limit appears first when the 4800 CL40 2Rx8 DIMM runs sustained workloads in the R760XS?

The registered buffer and CL40 latency set the throughput ceiling; thermal limits are secondary because the module operates at 1.1 V without a heat spreader.

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