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Green rectangular circuit board with gold edge connector and black memory chips

OWC

OWC 128GB DDR4 2933 PC4-23400 CL21 8Rx4 288-pin 1.2V ECC Registered RDIMM for PowerEdge C4140 (SkyLake CPU)

SKU CH-NJ38-78BSS

Single 128GB DDR4 2933 ECC registered RDIMM for PowerEdge C4140 servers

  • Capacity128GB
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.2V
  • ECCYes

Capacity 128GB

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  • ECC registered design protects data integrity in server workloads
  • 128GB single module maximises capacity per 288-pin slot
  • DDR4 2933 speed with CL21 latency delivers responsive performance
  • 2V operation reduces power draw for dense configurations
  • Backward compatible with 2133, 2400 and 2666MHz systems

Single 128GB DDR4 ECC Registered Module

This OWC module delivers 128GB of DDR4 2933 memory in a single 288-pin RDIMM. It operates at 1.2V with CL21 latency and uses an 8Rx4 rank configuration. The part is built specifically for the Dell PowerEdge C4140 server platform with SkyLake CPUs.

For server administrators upgrading PowerEdge

Suitable for IT teams adding ECC registered capacity to compatible Dell servers or workstations. Not for desktop PC builders, laptop users, or anyone needing unbuffered or load-reduced DIMMs, as this registered module will not function in those platforms.

128GB capacity in one registered DIMM

The decisive specification is the 128GB density on a single 288-pin DDR4 2933 RDIMM with 8Rx4 organisation. This density determines whether the module fits your C4140 memory population rules and total capacity targets.

Puntos fuertes

  • ECC registered design protects data integrity in server workloads
  • 128GB single module maximises capacity per 288-pin slot
  • DDR4 2933 speed with CL21 latency delivers responsive performance
  • 2V operation reduces power draw for dense configurations
  • Backward compatible with 2133, 2400 and 2666MHz systems

Especificaciones

BrandOWC
Part Number2R9D48R4128G
Capacity128GB
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 2933 (PC4 23400)
CAS LatencyCL21
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank8Rx4
Heat SpreaderNo
Compatible SystemPowerEdge C4140 (SkyLake CPU)

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Preguntas sobre este artículo

Does the 128GB 288-pin ECC RDIMM ship as a single module or a kit?

The upgrade consists of one 128GB DDR4 2933 PC4-23400 CL21 8Rx4 288-pin 1.2V ECC Registered DIMM. No extra modules or accessories are included.

Should I pick the 128GB 8Rx4 2933MHz module or a lower-capacity alternative?

Choose the 128GB 8Rx4 2933MHz module when the PowerEdge C4140 (SkyLake CPU) has free 288-pin slots and the workload needs maximum capacity per slot; smaller RDIMMs would occupy more slots for the same total memory.

Will the CL21 2933MHz rating run at that speed inside a PowerEdge C4140?

The module is rated DDR4 2933 (PC4-23400) CL21 at 1.2V and is backward compatible with 2133MHz, 2400MHz and 2666MHz bus speeds, so it will operate at the highest speed the C4140 memory controller supports.

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