When building on a budget the evga 500w 80 plus is a great choice at a low cost supporting 40a on a single 12v rail provides more options without having to reduce your component requirements save space with the 500w39s compact design well placed power switch and fully sleeved cables the 500w offers the connections and protections needed for basic system builds with a standard 3 year warranty and ultra quiet fan design the 500w will be a great asset for your next build on a budget heavy d