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Eight green DDR4 RDIMM modules in a row

OWC

OWC 512GB (8x64GB) DDR4 2933 ECC Registered RDIMM PowerEdge C4140 memory upgrade

SKU CH-88KS-D9JG4

Eight 64 GB DDR4 2933 ECC registered RDIMMs totalling 512 GB for Dell PowerEdge C4140 servers

  • Capacity512GB (8 x 64GB)
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2933 (PC4 23400)
  • CAS LatencyCL21
  • Voltage1.2V
  • ECCYes

Capacity 512GB (8 x 64GB)

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  • ECC registered design protects data integrity in servers
  • 512GB kit with eight 64GB modules maximises C4140 capacity
  • DDR4 2933 speed with CL21 latency delivers responsive performance
  • 2V operation reduces power draw in dense configurations
  • Backward compatible with 2133, 2400 and 2666MHz systems

Server memory kit for PowerEdge C4140

This 512GB kit contains eight 64GB DDR4 2933 ECC Registered RDIMM modules built for the PowerEdge C4140 with CascadeLake CPUs. It targets administrators who need maximum registered ECC capacity in that specific platform.

Registered ECC DDR4 limits

The modules run at 2933 MT/s with CL21 latency at 1.2V and use a 2Rx4 organisation. Registered ECC memory cannot be mixed with unbuffered or load-reduced DIMMs and will not work in standard desktop systems. Backward compatibility covers 2133, 2400 and 2666 MT/s operation.

Pre-install checks

Verify the C4140 is populated with CascadeLake processors and that all eight slots can accept 64GB Registered RDIMMs. Confirm the BIOS is current enough to support the full 512GB configuration and that no unbuffered or LRDIMM modules are already installed.

Puntos fuertes

  • ECC registered design protects data integrity in servers
  • 512GB kit with eight 64GB modules maximises C4140 capacity
  • DDR4 2933 speed with CL21 latency delivers responsive performance
  • 2V operation reduces power draw in dense configurations
  • Backward compatible with 2133, 2400 and 2666MHz systems

Especificaciones

BrandOWC
Part Number2R9D42R4512K
Capacity512GB (8 x 64GB)
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 2933 (PC4 23400)
CAS LatencyCL21
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo
Compatible SystemPowerEdge C4140 (CascadeLake CPU)

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Preguntas sobre este artículo

Should I pick this 512GB kit or a smaller capacity for my PowerEdge C4140?

This kit provides 512GB total using eight 64GB modules, filling all eight slots on a CascadeLake C4140. Choose it when you need the maximum supported capacity; otherwise a smaller kit leaves room for later expansion.

What does the 2933MHz rating deliver once installed in the C4140?

The modules run at 2933MHz CL21 at 1.2V, giving the highest JEDEC DDR4 speed the CascadeLake memory controller supports natively.

How does the PC4-23400 standard limit real-world throughput?

PC4-23400 is the JEDEC designation for DDR4-2933; peak bandwidth per module is defined by that standard and the C4140's quad-channel architecture.

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