A:AnswerLook in the general information you’ll probably be able to find out what kind of ram it uses Now also yes you do have to use the exact same kind unless you want to get rid of that ram that’s already in there and buy a whole new set of RAM you have to use the same kind or else you most likely will break the PC I do not recommend you test it out it will break now you most likely won’t have to upgrade your power supply
A:Answer3070+11700f is plenty enough to stream anything you want be it warzone or fortnite. A 3070 is similar to performance with a 2080ti which still is a beast of a card.
Both Nvidia GPUs and Intel CPUs have their own codec designed for streaming and video editing that will have some sort of edge over the AMD counterparts.
A:AnswerNo it doesn't. Maybe your monitor may have some speakers in it but you'll need to buy some, all pcs require you to buy speakers separately . Laptops are the only thing that come pre built with speakers.