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# 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
# Testnet
We recommend the following hardware specifications:
| Characteristic | Specification |
|---|---|
| Operative System | Ubuntu 18.04 or later LTS |
| Number of CPUs | 4 |
| RAM | 16GB |
| SSD | 120GB |
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