Do you have a problem with a listed platform? <a href="mailto:rt+abuse-peertube@framasoft.org?body=Instance%20URL%3A%0AReason%3A%0AVideo%2FAccount%20URLs%3A%0A%0A%0A">Report a platform</a>
Do you want to enable transcoding? If so, do you want to provide multiple resolutions per video? Try this out with a few videos and you will get an idea of how much extra space is required per video and estimate a multiplication factor for future space allocation.