how much power supplier watt is good for this graphic card

omar alam

Honorable
Jan 6, 2014
18
0
10,510
i'm thinking about buying this graphic card Gigabyte gtx 760 and it needs 500 watts to run i asked my friend about which power supplier to buy and he told me 750 watt is good
please anyone tell how to know if it's enough for PC or not ?
sorry for my bad English