A:Answeryes your be able to stream with this pc. with the NVIDIA GeForce GTX 1660 SUPER your have the power to do so. Do keep in mind if you do run games at high setting and want to steam your may need to lower your games setting some to help with a good stream.
A:Answeryou should be able to use both of them . the one up top should be connected to upers on the bored that work with the sound card . the one up top are their for convenient of not need to go in the back even time
A:AnswerHello,
This PC is a prebuilt that comes with all the stated parts, but all our systems are completely upgradable and you can swap out parts at any time.
Best,
iBUYPOWER Sales Team