Which PSU needed for this PC im building ???

[BigAJ007]

Hello peeps,

I've decided to build a new PC... Being a ASUS fan(and money not being an issue lol) I'm going to build a system based around the new ROG products. That said this will be my first PC I have put together myself. Just had a question about the PSU though...

Im looking at -

ASUS MAXIMUS VII FORMULA

Intel i7 4790K

ASUS Matrix platinum Geforce GTX 780 Ti (Already arrived in the mail )

eventually adding a second GTX 780 Ti as well.

and then the other little bits

HD's
DVD player
etc

The two PSU's im looking at were...

Corsair AX860i Platinum Power Supply
and
Corsair AX1200i Digital ATX Modular Power Supply

So my question is, would the 860 watt be enough for this system if eventually im running 2 x GTS 780 Ti's with everything being overclocked?

Or should I just get the 1200w to be safe??

Cheers
Adrian

 

[DroneDroneDrone]

The 860 PSU will do. Its a good PSU too (tier 1). http://www.tomshardware.com/answers/id-1804779/power-supply-unit-tier-list.html

 

[DroneDroneDrone]

http://www.tomshardware.com/answers/id-1941904/gtx-780-sli-850-watts.html
http://www.tomshardware.com/answers/id-1870878/watts-gtx-780-sli.html
Regarding PSU and 780 SLI ^