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650w PSU for sigrig?

post #1 of 22
Thread Starter 
I want to replace my current PSU with a 650w so I can get a 965 in there.

I'm torn between the XFX Pro 650w Core Edition
And the Corsair TX650 (V2)

The XFX doesn't have A* reviews, but they're not bad reviews.
The Corsair doesn't have reviews for the V2.
I had considered the Antec TPN650, but if I get that then the extra cost means I won't be able to afford the CPU for a while, thus making the upgrade a bit pointless.

Another concern is that they are both single rail AFAIK, though on my system I'm not sure whether that matters (I think it might matter on a 650w from what Phraedrus was saying on his stickied article).

Which out of those 2 is best, and is there a better PSU I can get for £70 GBP?
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post #2 of 22
First of all, why do you need 650w? A 450w is ample for your sig rig, including the 965.

Secondly, the Corsair TX V2 and XFX Pro Cores are both the exact same units, so get whichever is cheaper.
Edited by GameBoy - 5/26/11 at 2:55pm
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post #3 of 22
Thread Starter 
I was under the impression that I did need a more powerful PSU for it. Bear in mind I also have 4 120mm fans, a front bay LCD display (USB powered), a PCI wifi card and an internal card reader to power as well...

Plus I'd like to futureproof. I might CF in the future (not that I think a 650w will take 2 6870s)
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post #4 of 22
A good 650W like the ones you're considering are plenty for two HD 6870s and a Phenom II X4, all overclocked.

I see the XFX Pro 650W for £59.55 on ebuyer:
http://www.ebuyer.com/product/241554

However, you're probably better off probably just sticking with the current PSU and getting the Phenom II X4 965 sooner, assuming you need the extra CPU cores and/or could use the L3 cache.
post #5 of 22
Thread Starter 
If your 100% sure I'll be OK with the current PSU, I'll do that. I really do need the extra cores right now for DiRT 3 and GTA IV.

If not, I'll get the PSU first.
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post #6 of 22
You'll be fine with your current PSU
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post #7 of 22
i have a gigabyte 550 odin gt psu up for sale if you want to take it from me... i am sure we can work out a nice price.
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post #8 of 22
Thread Starter 
Sorry but upgrading for all of 20w isn't going to be worth it, whereas a decent 650w would be. I think I'll just order the CPU instead.

I'm still not convinced it'll be OK but I'll go with it.

Neither the CPU or GPU will be OCed by the way.
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post #9 of 22
Quote:
Originally Posted by levontraut View Post
i have a gigabyte 550 odin gt psu up for sale if you want to take it from me... i am sure we can work out a nice price.
Odin units should be burnt in hell fire. That isn't a 550w unit and don't get me started on the rest of it.

Quote:
Originally Posted by Markeh View Post
Sorry but upgrading for all of 20w isn't going to be worth it, whereas a decent 650w would be. I think I'll just order the CPU instead.

I'm still not convinced it'll be OK but I'll go with it.

Neither the CPU or GPU will be OCed by the way.
Don't listen to him, AX1200 to power his rig that takes maybe 400w XD!

You will be fine, my rig pulls less than 500w with my overclocks. I am very sure you'll be fine.
If you're wondering why I have 850 for a low consumption rig it's because my GPU's have gone from Tri-fire (returned one almost instantly) to crossfire to single card
Edited by Alex132 - 5/27/11 at 4:08am
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post #10 of 22
Quote:
Originally Posted by Markeh View Post
Bear in mind I also have 4 120mm fans, a front bay LCD display (USB powered), a PCI wifi card and an internal card reader to power as well...
Those are a virtually negligible load, unless they're all Delta TFB1212GHE fans, in which case they're not negligible. I'd ballpark your load for those items at around 10W on a bad day.
 
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