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I need a Powersupply....

Jorona is correct. In order to give you an adequate answer full specs are required. Price effective is a relative word. A lot of issues with rigs stem from not having an efficient power supply. If anything, it would make more sense to save money towards a more reliable psu then cheap out on it. Same goes for mobo, gpu, and psu.
 
Srama1080 said:
Jorona is correct. In order to give you an adequate answer full specs are required. Price effective is a relative word. A lot of issues with rigs stem from not having an efficient power supply. If anything, it would make more sense to save money towards a more reliable psu then cheap out on it. Same goes for mobo, gpu, and psu.
Click to expand...

I always take the stance of - get the biggest, most stable PSU you can afford that has high USER ratings (not professional reviews b/c those are tainted sometimes IMO).

Its better to have it and not need it then to need it and not have it I think. So, not sure what your PSU budget is, but I would start there and then start looking at the PSU's in that price range. Srama1080 is correct as well. The best thing you could do is ensure you have a stable and reliable PSU. I have swapped motherboards, video cards, and all kinds of hardware only to find it was because of the PSU. So do not go cheap on a PSU, it will save you a ton of troubleshooting and "wtf" issues. My personal suggestion would be a LEPA G1600 and unless your building something like Frank N Stein, you will never get close to using that much power, but you can rely on the fact it will always be able to produce what you need and has the headroom to do it.

Best of luck on your search...........
 
The1stCAV said:
I always take the stance of - get the biggest, most stable PSU you can afford that has high USER ratings (not professional reviews b/c those are tainted sometimes IMO).

Its better to have it and not need it then to need it and not have it I think. So, not sure what your PSU budget is, but I would start there and then start looking at the PSU's in that price range. Srama1080 is correct as well. The best thing you could do is ensure you have a stable and reliable PSU. I have swapped motherboards, video cards, and all kinds of hardware only to find it was because of the PSU. So do not go cheap on a PSU, it will save you a ton of troubleshooting and "wtf" issues. My personal suggestion would be a LEPA G1600 and unless your building something like Frank N Stein, you will never get close to using that much power, but you can rely on the fact it will always be able to produce what you need and has the headroom to do it.

Best of luck on your search...........
Click to expand...

Sorry Cav. I enjoy reading your build logs, but this is simply horrible advice. You don't even need as much juice as you have. You have two PSUs that total 2450w on a system that pulls about 900w-1000w. I could understand head room at 1200w, but doubling that is just absolutely insane. You take overkill to a whole new realm.

You can introduce issues if you have too large a supply too. Hooking an Atom or C seires APU to a G1600 will likely leave you with a system that doesn't even turn on because of protection circuits. Then, if it does turn on, the over current protection will be so high that even if things start failing, it likely won't trip causing a fire hazard.

Buy what you need with 10% overhead. Planning on going SLi/CF in the future? Work that into your math.
 
Not to mention user ratings mean nearly absolutely nothing in terms of power supplies, professional reviews from trusted sources are the only ones to trust.
 
I've had no problems with Corsair, Cougar, or Seasonic. Seasonic is my favorite due to it being fully modular, but at the same time I'm quite certain it's of a higher quality. I also got a great price on it thanks to Newegg. I had a $45 promo code, plus a $15 dollar MIR that I actually just received yesterday. $150 dollar PSU for $90... Couldn't pass it up.

Also note, when I run Prime95 I think my primary rig uses a little under 400 watts. I don't suspect my machine uses to much more power than that gaming since the CPU isn't running under full load, but the GPU is working. A 1,600 watt PSU for 300+ dollars is actually ridiculous to me.
 
If by any chance you check this and can make a purchase today(4/17) the deal on the SeaSonic X-850 @ NewEgg is a *great* deal. . It is $109.99 after promo and rebate instead of $169.99. Deal ends tonight!!

The PSU has a gold rating from [H] and universally good reviews elsewhere.

Good luck!
 
I assume you're going to pair these 2x6870 with a decent system (single socket i7 @ 4.5Ghz). Seasonic X-650/660 has enough juice for that rig for 24/7 full load. It is a waste to go for anything above 750W unless it is on sale.
/The deal mentioned by Cantharellus is excellent.
 
The x850 is indeed overkill, but its price is so low there in no reason not to get it. A good quality 650 or 750 watt usually cost at least the $110 dollars that the x850 is going for, so you can have your overkill cake and eat it too.
 
Right now a 1200W Gold PSU made by FSP is going for $149 shipped. It's the same as the FSP Aurum 1200W
 
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