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Seasonic X850 80+ Gold/ SLI GTX 570

R

rottencurry

Member
Would the Seasonic X850W Power supply be enough to power SLI GTX 570 video cards. Would 750W be enough too? I don't want to overspend. I already know that X650W is way enough for one GTX 570, but I'm asking about 2.

Specs
i5 3570k- 3.40 GHz
8.00 GB of RAM
Windows 7 Ultimate 64- bit
Intel HD graphics 4000 (I know its bad, thats why I'm getting the 570 and eventually 2)
1 TB hard drive

I'm also going to be running Guild Wars 2 and maybe some FPS if that helps.
 
No, but are you sure I don't need 750W?

Also, for the 850w, do you think that $55 dollars off is good( 40 off regularly, 15$ until tomorrow with rebates) or do you think that near Black Friday and the Holidays there will be more sales?
 
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Also, for the 850w, do you think that $55 dollars off is good( 40 off regularly, 15$ until tomorrow with rebates) or do you think that near Black Friday and the Holidays there will be more sales?
 
I ran 2 x 580s and an overclocked 2600K on an X760 just fine, although if I overclocked the 580s at all and pushed them through a really GPU and CPU intensive game/benchmark it would cut it very close, an X850 is definitely the safer bet even though 570s and an Ivy should consume less power, especially if not overclocking

and as far as going below 750W, well I'd definitely be wary of running two 570s on just a 650W unit, although it should be able to do it as long as you're not overclocking anything

it doesn't hurt to invest in your PSU, a good one can outlast any other active PC component in terms of future readiness
 
bunnyfubbles said:
I ran 2 x 580s and an overclocked 2600K on an X760 just fine, although if I overclocked the 580s at all and pushed them through a really GPU and CPU intensive game/benchmark it would cut it very close, an X850 is definitely the safer bet even though 570s and an Ivy should consume less power, especially if not overclocking

and as far as going below 750W, well I'd definitely be wary of running two 570s on just a 650W unit, although it should be able to do it as long as you're not overclocking anything

it doesn't hurt to invest in your PSU, a good one can outlast any other active PC component in terms of future readiness
Click to expand...

So wait, you ran OCed 580s and an OCed 2600K through a torture test on an x760, which went okay, but the OP's 570s and an Ivy with no overclocking would be safer on an 850? How do you suppose that? Because it sounds like he would be even safer on a 1500w too then.
 
TemjinGold said:
So wait, you ran OCed 580s and an OCed 2600K through a torture test on an x760, which went okay, but the OP's 570s and an Ivy with no overclocking would be safer on an 850? How do you suppose that? Because it sounds like he would be even safer on a 1500w too then.
Click to expand...

I didn't run my 580s with an overclock, I kept them stock for everyday use, when I did OC them it would cut it too close (sometimes it would work, others it would crash), sorry I didn't make that clear.

At any rate I ended up upgrading to a 3930K which meant I needed a bigger PSU and ultimately ended up with the Seasonic Platinum 1000. Of course I since "upgraded" to a single 680 (I try to avoid dual/multi GPU if I can) which would be more than fine on the X760, but if the 1000 had been available when I first got the X760 I probably would have jumped at Platinum unit instead because I'm always swapping in different parts, and with this 1000W PSU I pretty much never have to worry (and I don't doubt I'll be using it throughout most if not all of its 7 year warranty)

You also have to note I never said the 750 would be a bad idea for his setup, just that the 850 would be safer (particularly if he ever did decide to go to town with some 570 overclocking), it would give him plenty of playing room for now and into the future. The only thing I was wary of was the 650.

Another advantage of going with reasonable cushion in your PSU instead of going with only just enough is you're going to net better overall efficiency and quieter operation (although this isn't exactly a concern with these Seasonic units, however its still a bonus, as minor as it might be)
 
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