Question: how much is a cheap power supply?
Answer: Evga 500 W1, 80+ White 500W. (Editor's Choice) ...  Corsair CX Series 750 Watt. View on Amazon. ...  Evga 750 GQ, 80+ Gold 750W. ...  Seasonic G Series 650 SSR-650RM. EVGA 600 B1, 80+ Bronze 600W. ...  Rosewill Gaming Power Supply/PSU. ...  Corsair Hxi Series. Thermaltake Smart 700W 80+ White Certified PSU.