EVGA 500W ATX Power Supply overview 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 500W's compact design well-placed power switch & fully sleeved cables. The 500W offers the connections & protections needed for basic system builds. With a standard 3 year warranty & ultra quiet fan design the 500W will be a great asset for your next build on a budget..