The build
I7 4790k
Gtx 980 ti
16gb ram 2444Mhz
Psu evga b2/G2 850
Western digital 1tb
Ssd 250gb
Msi z97 gaming 5
Cooler master 212 evo
And it will use 464 watt
And i will sli later
If you want to SLI later you'll need a good quality 850W PSU eg EVGA Supernova G2 850 gold, Seasonic X 850 or XFX 850. All these will be fine with 220V.