750 watt enough?

[W3tan]

Good morning everyone, 

 

I am wondering if 750W is enough if I added another 1070 FTW card. 

 

here's my current set up:

evga G2 750w

i5-6600k OCed 4.3ghz@1.31 volt

16G ram(8x2)

evga gtx 1070 ftw, adding another one soon. Not OCed

1ssd+1hdd

nh-d15+ 5 case fans

 

For 2 way SLI, I used cooler master's wattage calculator and it recommended 583watt. However base on EVGA's website, the max power draw for 1070 reference card is 150w while FTW is 215W. That's quite a bit of difference there. Adding the difference and it'll be very close to 750w. 

 

Should I be concerned? Is there anyone running similar set up/wattage? I use the computer 2-4 hours daily, mainly for gaming. 

 

Thanks in advance for all the inputs! Much appreciated.

 

Ray

[Oshino Shinobu]

750W is more than enough. You could easily get by with 600W, even with SLI. 

[pcshme33]

Just now, W3tan said:

Good morning everyone, 

 

I am wondering if 750W is enough if I added another 1070 FTW card. 

 

here's my current set up:

evga G2 750w

i5-6600k OCed 4.3ghz@1.31 volt

16G ram(8x2)

evga gtx 1070 ftw, adding another one soon. Not OCed

1ssd+1hdd

nh-d15+ 5 case fans

 

For 2 way SLI, I used cooler master's wattage calculator and it recommended 583watt. However base on EVGA's website, the max power draw for 1070 reference card is 150w while FTW is 215W. That's quite a bit of difference there. Adding the difference and it'll be very close to 750w. 

 

Should I be concerned? Is there anyone running similar set up/wattage? I use the computer 2-4 hours daily, mainly for gaming. 

 

Thanks in advance for all the inputs! Much appreciated.

 

Ray

You should be fine. If you want more headroom, get a 850 watt.

[Joeteck]

The evga G2 750w has a single 12v rail @ 62.4A. Nice!

[Trevor87]

If you are going to OC both cards I would say play it safe and go with a 850W PSU.

 

  

[W3tan]

Thanks everyone for your replies.  It's unlikely I'll OC both of them so I'll stick with 750w for now. 

 

Thanks again guys.

[Gonio]

750 is more then enough, even when OCing.

[STRMfrmXMN]

3 hours ago, Trevor87 said:

If you are going to OC both cards I would say play it safe and go with a 850W PSU.

 

  

You could SLI three and OC all three on 850W.

 

2 hours ago, W3tan said:

Thanks everyone for your replies.  It's unlikely I'll OC both of them so I'll stick with 750w for now. 

 

Thanks again guys.

The 750W G2 sounds like it's perfect for you. Go for it.