Questionable quality and more wattage than required. For less money you can pick up a Seasonic S12II 520 and get much better quality.
http://www.newegg.com/Product/Product.aspx?Item=N82E16817151094&nm_mc=AFC-C8Junction&cm_mmc=AFC-C8Junction-PCPartPicker,%20LLC-_-na-_-na-_-na&cm_sp=&AID=10446076&PID=3938566&SID=
http://www.tomshardware.com/forum/id-2547993/psu-tier-list.html
http://www.realhardtechx.com/index_archivos/Page362.htm