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Eight green DDR5 ECC registered DIMMs in static bags

OWC

OWC 1TB (8x128GB) DDR5 4800 PC5-38400 CL40 4Rx4 288-pin 1.1V ECC RDIMM Kit Dell PowerEdge

SKU CH-1CVA-MTDY8

Eight 128 GB DDR5-4800 registered ECC modules totalling 1 TB for Dell PowerEdge C6600, C6620, MX760C, R660 and R6615 servers

  • Capacity1TB (8 x 128GB)
  • Type288-Pin DDR5 ECC RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.1V
  • ECCYes

Capacity 1TB (8 x 128GB)

  • 1TB ECC registered memory for Dell PowerEdge servers
  • 8x128GB DDR5 4800 CL40 modules at 1.1V
  • JEDEC and RoHS compliant warranty-safe upgrade
  • 288-pin RDIMM 4Rx4 architecture for workstation reliability
  • Compatible with C6600, C6620, MX760C, R660, R6615

OWC 1 TB DDR5 ECC RDIMM kit

This kit provides 1 TB of DDR5 4800 memory across eight 128 GB registered DIMMs. It is built for Dell PowerEdge C6600, C6620, MX760C, R660 and R6615 servers that require ECC registered modules. Standard desktop systems cannot use this memory.

Thermals, noise and power draw

Each module operates at 1.1 V without a heat spreader, relying on server chassis airflow for cooling. Registered ECC operation adds minimal electrical load compared with unbuffered alternatives. No active cooling components are included, so acoustic output depends entirely on the host platform fan profile.

What the accessories and software change

The package contains only the eight memory modules; no cables, tools or software utilities are bundled. OWC validates every module to JEDEC and RoHS standards, delivering a warranty-safe upgrade that preserves the original server warranty. Free lifetime technical support is available directly from the manufacturer.

Pontos fortes

  • 1TB ECC registered memory for Dell PowerEdge servers
  • 8x128GB DDR5 4800 CL40 modules at 1.1V
  • JEDEC and RoHS compliant warranty-safe upgrade
  • 288-pin RDIMM 4Rx4 architecture for workstation reliability
  • Compatible with C6600, C6620, MX760C, R660, R6615

Especificações

BrandOWC
Part Number4R8D54R41TBK
Capacity1TB (8 x 128GB)
Type288-Pin DDR5 ECC RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.1V
ECCYes
Buffered/RegisteredRegistered
Rank4Rx4
Heat SpreaderNo
Compatible SystemDell PowerEdge C6600
Dell PowerEdge C6620
Dell PowerEdge MX760C
Dell PowerEdge R660
Dell PowerEdge R6615

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Perguntas sobre este artigo

How do I install these 288-pin DDR5 RDIMMs in a Dell PowerEdge R660, and which step do people get wrong?

Power down the server, open the chassis, align each module's notch with the slot key, press firmly until both ejector tabs click, then populate all eight slots in the order shown in the R660 service manual; the step most often missed is seating every module fully before closing the cover.

What maintenance or replacement will this 1TB DDR5 4800 kit need later?

No routine maintenance is required; if a module fails, replace the individual 128GB RDIMM — the kit carries a limited lifetime warranty with advanced replacement, so a single faulty stick can be swapped without returning the full set.

What limit appears first when this 4Rx4 CL40 memory runs sustained workloads on a PowerEdge C6620?

The DDR5 4800 CL40 specification sets the maximum data rate and latency; under continuous load the memory controller will throttle to stay within JEDEC thermal and timing limits before any other bottleneck occurs.

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