A:AnswerThe computer comes with a hdmi and vga outputs, those could be used for dual monitors. There is a Pci-E expansion port to ad a video card, but the power supply may not have a free connector to power the card and my be under rated for the card.
A:AnswerPurchased for my daughter. Specification sheet shows...."Power supply type.....180 W AC power adapter".
Have not had any issues with the Wi-Fi adapter. The computer is being used in an office setting using a wi-fi network..
A:AnswerI would think the most important factor would be the quality of the speakers you add to the system. I got some for $20 and they sound great to me.