# Hardware requirements

This page contains three main hardware configurations that can be used in order to create a new c4e validator machine. Please note that higher the effort you will put into creating a stable and robust machine and lower the chances of getting slashed due to downtime.

# Requirements

# Mainnet

We recommend the following hardware specifications:

Characteristic Specification
Operative System Ubuntu 20.04 or later LTS
Number of CPUs 4

Also, we need to make sure the following requirements are met:

  • Allow incoming connections on port 26656
  • Have a static IP address
  • Have access to the root user

# Next

Learn how to System preparation