multiple pcs

Good example of this is streamers. They have a gaming PC and a streaming PC. Want to be able to control both with as little delay/lag as possible. I've seen mouse without borders but there's not much extensive use so I can't get any references. I'm trying to find things that are proven and have...

So me and my roommate both play the same games together and we were using a 100mbps speed with the basic modem/router combo that came from our ISP. We upgraded to 400mbps and they gave us just a modem so we bought the nighthawk r7000 ac1900 router. So before when we were using the combo unit on...