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Is the 600W PSU enough?

Last response: in Components
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March 6, 2013 6:49:38 AM

So I decided to get the Radeon HD 7970. However, today when I was picking up my monitor, I asked whether they had the 7970 and the guy said no. Then I asked if he had the Corsair CX 600 Modular and he said that he did but it would not be enough for the 7970. He said that I needed at least 750W which I highly doubt. I just wanted to make sure on here. Thanks!

More about : 600w psu

March 6, 2013 6:54:35 AM

Well if your only running a single 7970 a Corsair Brand PSU would suffice, but you could not upgrade any more components and you SHOULD NOT overclock your 7970 as that will raise power consumption very high. I found this out the hard way with a GTX 580 and an older Kingwin 650w PSU, i ended up BLOWING the PSU out because i was OCing the GTX580
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March 6, 2013 7:24:14 AM

Xazax310 said:
Well if your only running a single 7970 a Corsair Brand PSU would suffice, but you could not upgrade any more components and you SHOULD NOT overclock your 7970 as that will raise power consumption very high. I found this out the hard way with a GTX 580 and an older Kingwin 650w PSU, i ended up BLOWING the PSU out because i was OCing the GTX580


So I should just play safe and get a higher power supply?
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March 6, 2013 7:28:34 AM

dirtybliss said:
So I decided to get the Radeon HD 7970. However, today when I was picking up my monitor, I asked whether they had the 7970 and the guy said no. Then I asked if he had the Corsair CX 600 Modular and he said that he did but it would not be enough for the 7970. He said that I needed at least 750W which I highly doubt. I just wanted to make sure on here. Thanks!
Here is Guru3D's power supply recommendation:

Radeon HD 7970 - On your average system the card requires you to have a 550 Watt power supply unit.
Radeon HD 7970 Crossfire - On your average system the cards require you to have a 750 Watt power supply unit as minimum.

If you are going to overclock GPU or processor, then we do recommend you purchase something with some more stamina. http://www.guru3d.com/articles_pages/amd_radeon_hd_7970...
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March 6, 2013 7:30:48 AM

If your planning to OC that card i suggest a 700W or higher would be much better and safer but if your planning to just use the card without OC'ing a CX600w Corsair is enough to power your gpu and pc. 7970 alone is a beast and doesnt really need to be OC'ed for most of the newer games.
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March 6, 2013 8:05:18 AM

Hmm. So would 650W be enough? It says that 550W should be the minimum on Gigabytes website. I'm using the Gigabyte Radeon HD7970 OC 3GB card if that matters, by the way.
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March 6, 2013 8:07:25 AM

650 is enough just get good quality brand like corsair / seasonic
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March 6, 2013 8:09:06 AM

Ahh, alright. I'm getting the Corsair TX-650 so it should be all good. Thanks guys!
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March 6, 2013 8:12:08 AM

Best answer selected by dirtybliss.
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March 6, 2013 11:04:57 AM

Bear in mind if you plan on going Crossfire down the road then you'll need a new PSU as well, whereas a 750W PSU will be a little bit more than a 650W PSU right now, and give you that headroom for later.
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March 7, 2013 11:22:12 AM

diellur said:
Bear in mind if you plan on going Crossfire down the road then you'll need a new PSU as well, whereas a 750W PSU will be a little bit more than a 650W PSU right now, and give you that headroom for later.


Ahh, thanks for the heads up. :) 
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