I found this link in an other thread. https://www.tp-link.com/uk/home-networking/powerline/tl-wpa8630p/#overview However have spotted mine (model TL-PA411(UK)) are labled as "AV500" which i now learn...

@TimWillis Thanks for posting ths. im in a similar situation and looking for a compatibility list. I have an existing set of power line adapters which i need to extend. Would happily have bought more...