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Is this PSU good for a i5 3570K and AMD HD7970?

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January 23, 2013 3:49:53 PM

Hello guys
is this PSU good for a i5 3570K and AMD HD7970?

http://www.newegg.com/Product/Product.aspx?Item=N82E168...

The thing is, I already bought it but I forgot to check if it is enough Wattages
Please help! :( 
January 23, 2013 4:00:54 PM

The red input voltage switch is not an encouraging sign for the quality of that psu, but if it lives up to the specifications, it should provide enough wattage, and enough amps on the +12v rail.
January 23, 2013 4:02:50 PM

500W is plenty for that setup unless you have some crazy overclocks going on, though I don't know how the quality of that unit is - when it comes to power supplies, quality means a lot more than wattage.
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January 23, 2013 4:04:44 PM

MauveCloud said:
The red input voltage switch is not an encouraging sign for the quality of that psu, but if it lives up to the specifications, it should provide enough wattage, and enough amps on the +12v rail.

What does that red button do? Should I touch it when I get it?
January 23, 2013 4:05:48 PM

BigMack70 said:
500W is plenty for that setup unless you have some crazy overclocks going on, though I don't know how the quality of that unit is - when it comes to power supplies, quality means a lot more than wattage.

Oh thank god, ty. Im not planning to overclock anything yet. But if im gonna do it, I would probably get a new PSU.
Im planning to play BF3 on maximum, will the PSU still manage?
January 23, 2013 4:06:58 PM

djangoringo said:
It requires a decent 500w psu, you have a decent psu.
http://tpucdn.com/reviews/AMD/HD_7970/images/power_peak...

The load of the card+i5(and rest of the stuff, if you don't have much else) doesn't reach more than ~350w.

I got 8GB ram and a 1TB harddisk. But I dont think they need to use that much. thankss :D 
January 23, 2013 4:07:39 PM

jaegar said:
What does that red button do? Should I touch it when I get it?


It's a slider switch, not a button, and you should make sure the voltage it shows matches the voltage of the AC outlet you're using.
January 23, 2013 4:09:06 PM

I think it's a CWT DSAII, it's used frequently by many manufacturers. Similar to the old Corsair CX500, it will do a little over 400w on the 12v
January 23, 2013 4:09:19 PM

You have a decent psu it's made by CWT, the same as the corsair CX.
It will do, of course there're better ones out there, but if you don't have the budget for a new psu, it wil do just fine.
January 23, 2013 4:10:47 PM

jaegar said:
How do you mean? Is it the brand?
And I already bought it, its coming tomorrow :( 

People at Jonnyguru (Top rated site for PSU reviews) were not recommending it and claiming some bad things about it.

http://www.jonnyguru.com/forums/showthread.php?t=8997
January 23, 2013 4:11:28 PM

MauveCloud said:
It's a slider switch, not a button, and you should make sure the voltage it shows matches the voltage of the AC outlet you're using.

At how much do I need to put it? I live in the netherlands, regular AC power sockets are 16A here.
January 23, 2013 4:12:26 PM

AM2A said:
I think it's a CWT DSAII, it's used frequently by many manufacturers. Similar to the old Corsair CX500, it will do a little over 400w on the 12v

Total? or just the gpu???
January 23, 2013 4:12:54 PM

djangoringo said:
The load of the card+i5(and rest of the stuff, if you don't have much else) doesn't reach more than ~350w.

And that would be 350W measured at the wall, so closer to 300W actual PSU load (output) since PSU losses do not count toward output ratings.
January 23, 2013 4:13:54 PM

jaegar said:
Total? or just the gpu???

Yeah that's true cheap PSUs are underrated, it means that it will deliver almost a 400W without any issue, you should have asked before you make the purchase.
January 23, 2013 4:15:22 PM

Yes. Just change it when you get money and don't put the PC into too much load.
January 23, 2013 4:17:14 PM

ilysaml said:
Yes. Just change it when you get money and don't put the PC into too much load.

How do you mean "into too much load"
If I don't overclock, and put extra stuff in my build. It will be fine? Even if play most latest games on MAX?
Also, what if my PSU breaks? Will it affect my GPU and Motherboard? Like they burned too?
January 23, 2013 4:17:57 PM

InvalidError said:
And that would be 350W measured at the wall, so closer to 300W actual PSU load (output) since PSU losses do not count toward output ratings.

Meaning it will be probablly less than 350Watt?
January 23, 2013 4:20:52 PM

don't worry too much about it, it's a decent psu for the price. I've used it in a few builds with OC'd 2500k cpus and gpus in the 6850/7850 range. I haven't had any issues with them
January 23, 2013 4:22:17 PM

That psu can pull 400w at least...
Your total load will not reach 350w...
It's fine.
But like others said, when you have the budget for a new psu, get a better one, since you're going to spend in another psu, get a modular psu when you have the money.
January 23, 2013 4:26:00 PM

Thanks guys, helped alot. I completely stressed out ahahah :D 
January 23, 2013 4:46:02 PM

forgot to mention: If you're getting the euro version then it won't have the red switch on it, so you won't have to worry about that. The Euro version is N500-SA-EU
January 23, 2013 5:26:44 PM

AM2A said:
forgot to mention: If you're getting the euro version then it won't have the red switch on it, so you won't have to worry about that. The Euro version is N500-SA-EU

Oh thank god, I would probably screw it up anyways, it reminded me of my old PC when I was around 5-6yrs old. I pressed a switch at the back of my case and there started coming smoke out my pc. Hahaah, dunno what I did back then.
January 23, 2013 7:50:01 PM

jaegar said:
Meaning it will be probablly less than 350Watt?

Even high-end single-GPU setups with overclocked i7-3960X and overclocked HD7970 barely reach 350W total PSU output.
April 15, 2013 2:47:27 AM

Send it back if you can and try to purchase PSU that is at least 80PLUS Bronze certified and modular; this is an easy way to determine how effective the PSU is and that the components are "good" and the modular PSU makes the cablemanagement easier and.

Personally I choose PSU that are 80PLUS Gold or Platinum; for 100$ you can get up to 1000W 80PLUS Gold PSU which make the PSU "future proof" which lets you add gpus in CF/SLI or whatever, if you choose a PSU 600W or more,. You don't change the PSU for every build so a good investments in PSU with worth it.
!