A:AnswerI don't know. I tried an Nvidia 8400 GPU and it disables BOTH outputs. Apparently there is a second video output through a rear USB port. I have to investigate further.
A:Answeryes, you can upgrade to window 10 PRO. search upgrade window 10 PRO. in Microsoft window 10 apps store in computer. you need your microsoft account to log in window 10 apps store and do upgrade to window 10 PRO. you have to pay almost $99 for uprade window 10 PRO
A:AnswerYes you can as long as your monitor has those corresponding connections. I am actually planning on doing that, I just ordered a VGA to VGA cable for my second monitor.
A:Answeryou can put only GPU with 1 fan only. This case is small. and check power supply is enough for power new GPU or you have to replace new power supply.
