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Eight green DDR4 RDIMM modules in anti-static bags

OWC

OWC 1TB (8x128GB) DDR4 2933 CL21 ECC Registered RDIMM memory upgrade

SKU CH-4RD7-MCTNZ

Eight 128 GB DDR4 2933 ECC registered RDIMMs totalling 1 TB for Dell PowerEdge C4140 servers with SkyLake CPUs

  • Capacity1TB (8 x 128GB)
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.2V
  • ECCYes

Capacity 1TB (8 x 128GB)

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  • 1TB total capacity for large server workloads using eight 128GB modules
  • DDR4 2933 speed with CL21 latency for responsive data access
  • ECC registered design protects data integrity in critical applications
  • 2V operation reduces power draw across all eight DIMMs
  • Validated for PowerEdge C4140 with SkyLake CPUs for guaranteed fit

Server-grade ECC RDIMM kit

This OWC kit supplies 1TB of DDR4 memory through eight 128GB registered DIMMs. It is built for the Dell PowerEdge C4140 with SkyLake CPUs and will not work in standard desktop computers or with unbuffered or load-reduced modules.

DDR4 2933 speed ceiling

The modules run at DDR4 2933 (PC4-23400) with CL21 latency and 1.2V voltage. The platform also accepts slower DDR4 speeds of 2133, 2400 and 2666 MHz, but cannot exceed the 2933 MT/s data rate.

8Rx4 rank configuration

Each DIMM uses an 8Rx4 organisation, which the C4140 memory controller must support. If your system requires a different rank structure or a lower maximum capacity per slot, this kit will not be compatible.

Puntos fuertes

  • 1TB total capacity for large server workloads using eight 128GB modules
  • DDR4 2933 speed with CL21 latency for responsive data access
  • ECC registered design protects data integrity in critical applications
  • 2V operation reduces power draw across all eight DIMMs
  • Validated for PowerEdge C4140 with SkyLake CPUs for guaranteed fit

Especificaciones

BrandOWC
Part Number2R9D48R41TBK
Capacity1TB (8 x 128GB)
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

Should I choose the 1TB kit or look for a smaller capacity?

The 1TB kit contains eight 128GB modules and fills all eight DIMM slots in a PowerEdge C4140, giving the maximum supported memory for that server.

What does the 2933MHz rating mean once the modules are installed in a PowerEdge C4140?

The server's memory controller will run the kit at 2933MHz when paired with a SkyLake CPU; if the CPU only supports a lower speed, the modules will automatically down-clock to 2666MHz, 2400MHz or 2133MHz.

How does the DDR4 288-pin ECC Registered interface limit what I can mix with these modules?

The registered design and 8Rx4 organisation mean they cannot be mixed with unbuffered or load-reduced DIMMs; all slots must use identical registered ECC modules for the system to boot.

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