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Can a Seasonic X650 push an I7 and (2) 570's - Page 3

post #21 of 37
I think it's closer than is being portrayed. This unit can nearly hit 800w.
post #22 of 37
Wow, perfect thread for me to see, when I first opened up this Sub-forum. Came to research if a SeaSonic X850 would be enough to run a SB system and 2 570's in SLI. This thread answered my question. XD
I did a simple PSU calc on newegg and other sites, and its say 950w+ for PSU's. But if ppl are saying the X750 is fine for a 1366 socket i7 OC and SLI 570s. Then I'll be ok.

Ski
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post #23 of 37
Quote:
Originally Posted by Voltage_Drop View Post
This post is pointless, newb. Never run your PSU at max output.
Calling me names will get you nowhere. Why shouldn't you never run your PSU at maximum capacity?

Quote:
Originally Posted by Rebelord View Post
Wow, perfect thread for me to see, when I first opened up this Sub-forum. Came to research if a SeaSonic X850 would be enough to run a SB system and 2 570's in SLI. This thread answered my question. XD
I did a simple PSU calc on newegg and other sites, and its say 950w+ for PSU's. But if ppl are saying the X750 is fine for a 1366 socket i7 OC and SLI 570s. Then I'll be ok.

Ski
PSU calculators should generally be ignored, they overrate the amount of watts you need (as you've seen)... You're absolutely fine with that PSU even for GTX 580's in SLI.
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post #24 of 37
It will work because the PSU can put out more then 650W unless it has protection.
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post #25 of 37
Thread Starter 
Reading around, Johnnyguru.com rated this power supply at 734w at 89.6% efficiency. This was honestly my first time I've ever bought a power supply and all I ever read on OCN was the most important piece to any build is the PSU so that is why I didn't skimp in this area.
post #26 of 37
[QUOTE=GameBoy;12413865]Calling me names will get you nowhere. Why shouldn't you never run your PSU at maximum capacity?

Heat, efficiency, life span Also a newb is not a name it is a description
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post #27 of 37
Gameboy: Yea, just gonna use the X750.
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SixthElement
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post #28 of 37
Quote:
Originally Posted by Voltage_Drop View Post
Heat, efficiency, life span Also a newb is not a name it is a description
Extremely poor reasons.
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post #29 of 37
PSU's have an optimal efficiency (the 80+ label) at around 60-70% of their capacity; moreover, they lose capacity over time due to thermal stress on components: 2 or 3 years at normal usage and shorter when used at max capacity. Overclocking of CPU, GPUs also increase power needs by 50% or more.
All in all, even if you can get by with a high quality 650W PSU, in long run you will be better of with a high quality 850 and up to last you 5 years or so. Check your 12V rail amps needs.
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post #30 of 37
Ignoring the rifraf you should be absolutely fine with that PSU it is high quality and fine unless maybe you are overclocking a lot. I would personally buy a wall meter so that you can see if you are going really far over 700w under gaming load.

Remember thought that a wall meter does not take efficiency into account. So you want to take the number on the meter and multiply by 0.9
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