First of all, it's not 600mbps. It consumes speed up to 600mbps in order to transfer a maximum of 100mbps.
I thought it didn't matter, since I have a 100mbps connection. Big mistake.
I bought it for 90 euros with the purpose of not relying on the router's wifi, which in peak hours may drop to 50mbps from 90-100mbps, but the powerline never reached above 28mbps.
There is a 75% loss in sockets with a distance of 10m!
It's not worth it in any case with so many losses, it would be better to get a wifi repeater for 10 euros to do the job and get 100mbps everywhere in the house.
Only get it if you pay for a 600mbps connection but only want to utilize 100mbps, otherwise get a long ethernet cable to do your job like humans.