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OWC

OWC 512GB (4x128GB) DDR5 4800 CL40 4Rx4 ECC Registered RDIMM memory upgrade kit PowerEdge R760xa R860 R960

SKU CH-WH3Z-5JRWP

Four 128 GB DDR5 4800 CL40 ECC registered RDIMMs totalling 512 GB for PowerEdge R760xa, R860 and R960 servers

  • Capacity512GB (4 x 128GB)
  • Type288-Pin DDR5 ECC RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCYes
  • 512GB total capacity from four 128GB modules
  • DDR5 4800 speed with CL40 latency
  • ECC Registered design detects and corrects data errors
  • 1V operation reduces server power draw
  • Validated for PowerEdge R760xa, R860 and R960

Server-grade DDR5 ECC RDIMM kit

This 512 GB kit contains four 128 GB DDR5 4800 CL40 registered ECC modules built for Dell PowerEdge R760xa, R860 and R960 servers. The 288-pin RDIMM form factor and 1.1 V operation meet JEDEC PC5-38400 specifications for enterprise workloads.

Four matched modules simplify population

Supplying four identical 128 GB sticks lets administrators fill a full channel set in one step, avoiding mixed-rank or mixed-capacity configurations that can limit memory bandwidth or prevent boot. The kit replaces Dell part AC449974 SNPMMWR9C/128G directly.

Registered ECC design demands compatible platforms

These 4Rx4 registered DIMMs will not work in standard desktop motherboards and cannot be mixed with unbuffered or load-reduced ECC memory. The lack of heat spreaders keeps the profile low for dense server chassis, while 1.1 V operation reduces power draw per module.

Kohokohdat

  • 512GB total capacity from four 128GB modules
  • DDR5 4800 speed with CL40 latency
  • ECC Registered design detects and corrects data errors
  • 1V operation reduces server power draw
  • Validated for PowerEdge R760xa, R860 and R960

Tekniset tiedot

BrandOWC
Part Number4R8D54R4512S
Capacity512GB (4 x 128GB)
Type288-Pin DDR5 ECC RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.1V
ECCYes
Buffered/RegisteredRegistered
Rank4Rx4
Heat SpreaderNo
Compatible SystemPowerEdge R760xa
PowerEdge R860
PowerEdge R960

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Kysymyksiä tästä tuotteesta

Will the four 128 GB DDR5 modules need any firmware updates or battery replacements during their service life?

The 288-pin RDIMMs operate at 1.1 V and carry JEDEC-compliant SPD data; no firmware updates or onboard batteries are required, so the kit runs maintenance-free once seated in the R760xa, R860 or R960 memory slots.

What limit appears first when the 512 GB kit runs at DDR5 4800 CL40 continuously in a PowerEdge R960?

Sustained throughput is capped by the 38400 MB/s PC5-38400 interface and CL40 latency; thermal throttling is unlikely because each 128 GB 4Rx4 module runs at the standard 1.1 V without a heat spreader.

How much heat and power do the four registered ECC DIMMs generate when the server runs all day?

At 1.1 V the 4Rx4 RDIMMs draw minimal power and produce low heat; with no heat spreaders they rely on the chassis airflow of the R760xa, R860 or R960, keeping acoustics and thermals at baseline levels.

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