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Another "which psu?" thread

post #1 of 10
Thread Starter 
So the last rig I built was years ago and I guess I lucked out on the psu because I cheaped out on it and it hasn't taken my rig down.
(it's a XION 600W if anyone's curious)


I'm thinking of upgrading my PSU BEFORE building a new rig since its fan started crapping out and I don't have the funds for a full build.

Budget is capped at around $150CAD

What do you guys think of the corsair TX series?
http://ncix.com/products/?sku=58382&...r&promoid=1300

as for power needs:
Future build: thinking, i5 or i7 running two 460s or a single 5-series card (580?).

Thanks for the help and sorry if that's a big read!

EDIT: don't care if it's modular, more concerned about price and reliability (whether or not the PSU is suicidal)
Edited by Nailuj - 8/15/11 at 9:42pm
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post #2 of 10
TX's are nice. My friend used one with 2 465's in sli. They'll definitely handle 2 460's or a single 580
    
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post #3 of 10
If you're only getting two 460s or a single 580 then any good 650 will blow through it with ease. The TX series is nice but quite overrated for a nonmodular power supply (I regret getting mine). The XFX 650 PRO CORE is $54.99 AMIR and is a great power supply. It's a Seasonic platform just like the Corsair TX and HX series
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post #4 of 10
Thread Starter 
Thanks for the quick replies. Im liking how the xfx is decently cheaper.

This might sound dumb but what worries me about dropping below 700Watts is I might need to replace the PSU sooner if future cards get more power hungry. Maybe I'm trying to avoid the inevitable, I always try to find future-proof solutions but that's impossible with the PC building game.


EDIT: I just took a look at the Sticky thread and found this (link below). I think I might pick it up tomorrow provided someone doesn't convince me otherwise haha.
http://ncix.com/products/?sku=62224&...anufacture=XFX
Edited by Nailuj - 8/16/11 at 2:36am
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post #5 of 10
Quote:
Originally Posted by Nailuj View Post
Thanks for the quick replies. Im liking how the xfx is decently cheaper.

This might sound dumb but what worries me about dropping below 700Watts is I might need to replace the PSU sooner if future cards get more power hungry. Maybe I'm trying to avoid the inevitable, I always try to find future-proof solutions but that's impossible with the PC building game.


EDIT: I just took a look at the Sticky thread and found this (link below). I think I might pick it up tomorrow provided someone doesn't convince me otherwise haha.
http://ncix.com/products/?sku=62224&...anufacture=XFX
The reason I don't worry about this is because GPUs are getting smaller and smaller so newer GPUs are becoming more efficient, using less energy, and are still mroe powerful. If you look at the difference between the 470 and the 570 you see that the older 470 is much more power hungry then the newer 570 even though the 570 packs a bigger punch. The same goes for the 580 and the 480. This trend is also not limited to just graphics cards but also CPUs. Sandy Bridge uses much less power then the 1366 socket i7s and runs faster resulting in even RAM using less power since the IMC of Sandy Bridge is designed to handle 1.5v as opposed to earlier RAM which ran at 1.65v. The RAM won't make any real difference when choosing a power supply but the fact that it has dropped in voltage shows the same consistent trend of less power from the wall while performing better. SSDs are the same way in that they use next to no power at all (Compare that to an older velociraptor... lol). If you honestly think about it the GPU is the most important. You can run any single card (including 590, 6990, 5970) on a 650 watt power supply assuming it is a quality one rather then some cheap random one that says 650 but struggles to push 350... In your case you have no need to go over 650. The only time I recommend people get more is when they know 100% that they are getting SLI 580s or XFire 6950/6970 if they are adjusting the power cap.
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post #6 of 10
Thread Starter 
Quote:
Originally Posted by VW_TDI_02 View Post
The reason I don't worry about this is because GPUs are getting smaller and smaller so newer GPUs are becoming more efficient, using less energy, and are still mroe powerful. If you look at the difference between the 470 and the 570 you see that the older 470 is much more power hungry then the newer 570 even though the 570 packs a bigger punch. The same goes for the 580 and the 480. This trend is also not limited to just graphics cards but also CPUs. Sandy Bridge uses much less power then the 1366 socket i7s and runs faster resulting in even RAM using less power since the IMC of Sandy Bridge is designed to handle 1.5v as opposed to earlier RAM which ran at 1.65v. The RAM won't make any real difference when choosing a power supply but the fact that it has dropped in voltage shows the same consistent trend of less power from the wall while performing better. SSDs are the same way in that they use next to no power at all (Compare that to an older velociraptor... lol). If you honestly think about it the GPU is the most important. You can run any single card (including 590, 6990, 5970) on a 650 watt power supply assuming it is a quality one rather then some cheap random one that says 650 but struggles to push 350... In your case you have no need to go over 650. The only time I recommend people get more is when they know 100% that they are getting SLI 580s or XFire 6950/6970 if they are adjusting the power cap.

hmm. And a quality 650 (like the XFX or corsair AX/TX) would allow me some OC headroom? Im big on taking my CPU clocks as high as I can and i want to dabble in GPU overclocks.
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post #7 of 10
Even with a mild overclock you'd be looking at a ~450W power draw from the PSU, which still leaves you with just under a third of the capacity of a good 650W unit. No worries.
post #8 of 10
Thread Starter 
I decided to go with the XFX Pro650W Core PSU. 74 bucks well spent IMO.

Ahh its good to have a PSU fan that wasn't soldered in myself.


Thanks for all the help everyone, cable management was tricky with non-modular but worth the price diff.
Edited by Nailuj - 8/16/11 at 1:07pm
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post #9 of 10
Great choice. I personally wish I would've gotten that one instead of my TX650.
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post #10 of 10
Thread Starter 
Quote:
Originally Posted by VW_TDI_02 View Post
Great choice. I personally wish I would've gotten that one instead of my TX650.
But the xfx doesn't come with a pretty carrying pouch lol
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