Torrenting servers and features
While most VPNs support torrenting, some VPNs restrict file-sharing activity to select servers, whereas others allow torrenting on any server. For instance, NordVPN and Proton VPN have designated P2P servers, while ExpressVPN and Surfshark allow you to torrent on any server. If torrenting activity is limited, make sure there’s a comprehensive roster of P2P servers to pick from.
A feature known as port forwarding can be advantageous for torrenting by allowing faster download and upload speeds or starting poorly seeded torrents (ones with few uploaders). Think about making a call with a restricted number. You can place calls, but if nobody picks up and you can’t leave a message, then you probably won’t get a call back. But if your phone number is publicly available, the combination of incoming and outgoing calls boosts the chance of having a conversation.
Without port forwarding, your torrent app searches for sources
...Keep reading this article on CNET.