I have 4 of the old AV500 Powerline Adapters, with 100Mb ports across my house. I've recently upgraded my broadband to 500Mb. What I want to know is if I bought 1 single AV1000 adapter with a Gigabit port and used it as the 'In' connected to my Modem, would it pass those 500Mb speeds around the house, before each old adapter called for just 100Mb due to its older port? But realistically, drop off aside, could I get those 4 AV500 series adapters running at a theoretical 100Mb?

If so is there any downside to doing this? 100Mb wired in each location would probably be enough for me.

Would the drop off due to electrical noise be less of a factor also? Say two AV500s were in active use at the same time, could I get close to 100Mb speed on both even if I currently only get 50Mb due to noise/distance?

Thanks in advance anyone who can help. Thought I'd try the community first!