@Tony I saw for probably 5 mins Memory was 30% consistent and CPU was changing from 50 to 95 % every 2 sec and also saw few numbers from 10 to 50 % in between.

I have spectrum Connection with 200 Mbps speed, I used to have Modem provided by Spectrum and I never had any issues. I bougth A7 router and after few weeks I started noticing Internet speed going...