I currently use TL-PA4022P AV600 powerline adapter. My NAS and laptop and a couple of other devices connect to those over ethernet. Speeds are not the best but the connection is very reliable. I am...

I currently use TL-PA4022P AV600. My ISP speed is 350Mbps. I get 50Mbps in my study on a different floor although I get 200Mbps in a socket in the same room as my router. If I were to upgrade to...