When building on a budget, the EVGA 400W power supply is a great choice at a low cost. Supporting 30A on a single +12V rail provides more options without having to reduce your component requirements. The EVGA 400Woffers the connections and protections needed for basic system builds. With a standard 2 year and ultra quiet fan design the EVGA 400W power supply will be a great asset for your next build on a budget. Operating Temperature 0 Degrees to 25 Degrees Celsius .