That particular model is more wattage than you need, not the best brand for PSU, is a refurb model on top of that, and it's also sold out. Try this Antec Neo Eco 520W instead: http://www.newegg.com/Product/Product.aspx?Item=N82E16817371030&nm_mc=AFC-C8Junction&cm_mmc=AFC-C8Junction-_-na-_-na-_-na&AID=10446076&PID=3938566&SID=
Also, you have like a half a dozen threads open all over the forum asking about individual parts. Just make ONE thread and ask all your questions, then update that thread as needed if you have more.