How Many Watts for SLI 780 and 4770K All Liquid?

[eddylambo]

How many watt psu will i have to go with this build? Yes i will be overclocking

[Lays]

~800 will give you quite some headroom. if you have money to blow a corsair ax860i would be a good choice, fully modular and cables readily available to buy custom sleeved from corsair's website.

[PBaines]

You would do fine with a quality 850w.

[helping]

Assuming overclocked, ~275(2)+110 = 660

+50 for hard drives, motherboard, fans etc. About 700 under full synthetic at 'extreme' clocks.

 

800 quality.

[eddylambo]

Thanks Guys

[Lays]

Thanks Guys

 

np

[ccaian]

Thats alot less then I expected. Was thinking of getting a 700 watt for my system now i think ill stick to 650.

[SammyG145]

I have a 2600K ovc and a 780 ovc both fully water cooled running of an older HX650. 

[skullbringer]

it comsumes about 600W, so planing wiht a bit of headrom a nything from 750-850 should fit nicely.

[Prince32780]

if you're gonna liquid cool and overclock, get a 1050w

its not a bad idea to have more than what you need

[kaneandtaker]

if you're gonna liquid cool and overclock, get a 1050w

its not a bad idea to have more than what you need

Not a bad idea to have some overhead, but 1050 is way overkill

[AbidingDude]

550W bare minimum

[Prince32780]

Not a bad idea to have some overhead, but 1050 is way overkill

 

here's a fun fact

 

a psu is more efficient at 50 percent than at 100

 

 

 

yes, it varies per psu, but it's generally the same range

 

 

here's another for 1000w+

 

[kaneandtaker]

here's a fun fact

 

a psu is more efficient at 50 percent than at 100

 

 

 

yes, it varies per psu, but it's generally the same range

 

 

here's another for 1000w+

 

 

Wut? I never buy PSUs based on efficiency. That's why I got a 80+ Bronze one.

I guess it varies on your country.

[Lil Chillbil]

65 watts 

[Shindo]

what's your budget brother?

[Shindo]

if you can, go all in. go the 1000+ route! no reason why you shouldn't

[kaneandtaker]

65 watts 

 

Do you mean 650W? 65W can't even power a CPU on load. 

[Lil Chillbil]

Do you mean 650W? 65W can't even power a CPU on load. 

 

it was a joke about that one 65 wat meme  

[SteepGnomeKing]

--snip--

 

 

I guess it depends on what you pay for power but a 3% difference in efficiency is not worth a extra $50 just for a higher rating or higher wattage.

Find something in the area you need for wattage and than pick one that has features you like, modular and the fan turning off when not under load and looks good.

[outofmyheadyo]

So you guys would say that my seasonic X-850 would be sufficient for dual gtx 780 @ 1200/7500 ?

Im running my 4770 on 4600 aswell, would love to pop another GPU in but im not sure my psu will handle it, altho im pretty sure this seasonic is a beast, and i dont want to replace it.