How much watt does my psu need??

[tiemoverboort02]

I want to buy a GTX 1080 but I don't know if I have enough psu watt

PC parts:

Intel core I7 4790K
16GB DDR3 Ram
Z97X-UD3H Motherboard
GTX 1080 STRIX (not ROG)
2x Toshiba 2tb HDD
248GB Crucial SSD

 

[Guest]

What PSU do you have?

 

[erik12]

Generally a 550W will suffice. 650W if you plan to overclock, just in case.