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Memory upgrades for UCS C420 M3 C-Series

100% compatible
100%
compatible
Cisco Server UCS C420 M3 C-Series
Manufacturer Cisco
Category Server
Series UCS C
Model C420 M3
1.5TB RAM

The maximum RAM capacity is higher than what stated by Cisco?
The technical background for higher maximum usable capacities with CompuRAM upgrades is explained in our blog post ‘Maximise the maximum?’.

  • This system is subject to special guidelines regarding the installation of additional memory upgrades. Please review your manual before placing an order, or contact our sales team. We are pleased to provide you with a compliant configuration
  • The system has 4 channels per CPU with each 3 slots
  • Do not install memory modules into memory slots if corresponding processor is not installed.
  • The memory slots of each CPU should be populated identically
  • Dual processor configurations with memory modules installed for only one processor is not supported
  • Unbuffered, Registered and LRDIMM modules must not be mixed
  • Each memory channel can not support more than two unbuffered or two quad-rank modules
  • Each memory channel can, however, three quad-rank LRDIMM be used

Here you will find answers to payment and shipping.
Server RAM upgrade » UCS C420 M3 by Cisco
  • What if the Cisco UCS C upgrade you’re looking for isn’t listed here? We’re prepared for that too.

    Can’t find the capacity you want for your UCS C C420 M3 server or a specific memory module you need on our website? Please get in touch with your query.
    For reasons of clarity, we are unable to list all the many possible DIMM module versions and combinations individually on our website. The relevant Server RAM modules are nonetheless in our portfolio, and we are happy to deliver them to you at short notice.