A:AnswerI would say yes. If you're just doing a gaming PC build, the standard atx psu is good. I got a 700w Thermaltake 80+. In hindsight, I probably would have went with a modular PSU for cable management as the case is small.
A:AnswerGood question. That's an older model and I think it's the old fashioned mid-tower desktop. It would be difficult to say without knowing what model your motherboard is inside.