PSU for a 480gtx choices. Pick your favourite!

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Soldato
Joined
2 Dec 2006
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Well, as some may know from my previous threads I have ordered a new pc and was unsure of the stability of my seasonic m12 600w psu. I emailed my local about trying to get them to test it under load for me as I have no guaranteed stable pc to try this on, nor do I wish to risk my new components doing it. Sadly they have not even bothered to reply. ( I did point out my concerns for them being cowboys). Anyways, onwards!


Now I'm not willing to go lower than 600w and am thinking I should probably aim for 750w really so that I may use it for future upgrades ( Though I said that about my sodding seasonic, what a waste). Shall be an overclocked SB pc with a 480gtx. The choices:


:EDIT:

New round up from post 12:


8igdave said:
Ok then new round up. The choice to make is no longer considering sli and instead just considering what will last for a GPU upgrade in 2-4 years. I don't plan on replacing this psu for another 5-6 years hopefully.

Also, do I need modular cables in the corsair 650d really? I'm thinking not.

1- Seasonic m12 620w - £79 (a bargain I think) Modular

2- XFX black edition 750w - £89 Modular

3- Corsair 750w TX ehanced edition - £86

4. Antec true power - £84 Semi-modular, might as well not be tbh.

5- XFX core edition 850w - £86


Stacking my options up it looks like it's between the two XFX's. Do I take 850w non modular and slightly lower quality, but not by much. Or the 750w modular and better quality. The 850w gives me a choice of sli later, but my graphics card is not best suited to it.
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As I had mentioned to someone before on another thread when they suggested the XFX I dislike their RMA systems greatly. But they really are extreamly well made psu's and very well priced so I can't ignore them.
 
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If I was to spend over £120 again it would be enemax or seasonic likely. I was trying to keep it in £100, though it's hard to find decent modular psu's for that. I may get the XFX one. But their RMA was so poor for graphics cards.

So 750w would cover sli 480gtx? I am considering upgrading later to it as they are so cheap.

:EDIT:

Interwebz seem to suggest 750w for 480gtx sli is a bad choice. People are claiming draws anywhere from 650w to 850w peak.
 
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Pighardia said:
No Antec's on the list. Not a fan?

i have the truepower 650w modular. Very happy with it. I can certainly vouch for it in terms of noise. Never had problems. They are semi-modular

http://www.overclockers.co.uk/showproduct.php?prodid=CA-116-AN
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The antec earthwatts and alike were great psu's but I don't know a great deal about the newer ones. Back when I used to know things about psu's their top ranges could not compete really.


The real question is, I have on order the corsair 650gd. It has extreamly good cable management. As a result is modular even a big deal? I have only ever worked in small cases before where a non-modular psu was a big no no for me.

If its not then I'd pick up the corsair TX 850w as that would cover me for sli in the future. Failing that I would pick up something cheaper as sli is only a remote possibility anyway hinging on the fact the 480gtx prices may plummet soon.

:EDIT:

I feel very out of date. I don't remember these psu's ever being so expensive. I swear the corsair hx 620w used to be £70.
 
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I wouldnt reccomend a 750w for sli 480's, 900 m inimum if you intend to overclock. I run my 470's on the hx 850w, does fine. Youll find that the high end corsairs are either rebadged seasonics or cwt's, (chanel well tech), same as my last psu, thermaltake toughpower 750w, a cwt unit.
 
Yes I have just been looking into them. Further reasearch shall be required. I may be up all night at this rate haha.

setter said:
I wouldnt reccomend a 750w for sli 480's, 900 m inimum if you intend to overclock. I run my 470's on the hx 850w, does fine. Youll find that the high end corsairs are either rebadged seasonics or cwt's, (chanel well tech), same as my last psu, thermaltake toughpower 750w, a cwt unit.
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Indeed, I have always aimed for seasonic and cwt built units. I did orginaly have enemax and seasonic units in my OP but I took them out as this time around I do not want to spend that extra.

Well the general consensus online from what I've seen is to run the 480gtx's on 850w psu and you will be fine. If I was to get the 850w I would be snapping up another 480gtx the momment I could. however I would want another SE version and i'm unsure what would happen if you put two of them together as they do not exhaust the heat through the back.
 
Are you using the tri fan gigabyte 480's? Because theyre not great cards for an sli setup. I use standard gigabyte 470 oc's, (630mhz, stock for a 470 is 607mhz), reference cooled cards tend to be better for sli as they exhaust heat, you will get by ok with a quality 850w psu with sli 480's, but if your overclocking both cpu and gpu's it may require more power.
 
Pah can find the corsair 650hx for £78. I knew damn well it never used to be in the £100's. Thats poor pricing tbh unless I'm missing something.


:EDIT:

yes I am using the special edition tri-fan cooled 480GTX. Which as I suspected, may be a problem to sli with. In which case that solves my psu wattage delima. I may as well take 600-750w on what ever is reliable and a good price.
 
Ok then new round up. The choice to make is no longer considering sli and instead just considering what will last for a GPU upgrade in 2-4 years. I don't plan on replacing this psu for another 5-6 years hopefully.

Also, do I need modular cables in the corsair 650d really? I'm thinking not.

1- Seasonic m12 620w - £79 (a bargain I think) Modular

2- XFX black edition 750w - £89 Modular

3- Corsair 750w TX ehanced edition - £86

4. Antec true power - £84 Semi-modular, might as well not be tbh.

5- XFX core edition 850w - £86


Stacking my options up it looks like it's between the two XFX's. Do I take 850w non modular and slightly lower quality, but not by much. Or the 750w modular and better quality. The 850w gives me a choice of sli later, but my graphics card is not best suited to it.
 
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why do you think that your seasonic is failing, its a very good psu, and if its not showing any signs of vdroop and such why bother changing it ?
 
5- XFX core edition 850w - £86

5- XFX core edition 850w - £86

5- XFX core edition 850w - £86

5- XFX core edition 850w - £86
5- XFX core edition 850w - £86

5- XFX core edition 850w - £86
5- XFX core edition 850w - £86

5- XFX core edition 850w - £86
5- XFX core edition 850w - £86

5- XFX core edition 850w - £86
5- XFX core edition 850w - £86

5- XFX core edition 850w - £86
5- XFX core edition 850w - £86

5- XFX core edition 850w - £86
5- XFX core edition 850w - £86

5- XFX core edition 850w - £86
5- XFX core edition 850w - £86

5- XFX core edition 850w - £86
5- XFX core edition 850w - £86

5- XFX core edition 850w - £86
5- XFX core edition 850w - £86

5- XFX core edition 850w - £86
5- XFX core edition 850w - £86

5- XFX core edition 850w - £86
5- XFX core edition 850w - £86

5- XFX core edition 850w - £86
5- XFX core edition 850w - £86

5- XFX core edition 850w - £86
5- XFX core edition 850w - £86

5- XFX core edition 850w - £86
5- XFX core edition 850w - £86

5- XFX core edition 850w - £86
5- XFX core edition 850w - £86

5- XFX core edition 850w - £86
5- XFX core edition 850w - £86

5- XFX core edition 850w - £86
5- XFX core edition 850w - £86

5- XFX core edition 850w - £86
5- XFX core edition 850w - £86

5- XFX core edition 850w - £86
5- XFX core edition 850w - £86

5- XFX core edition 850w - £86
5- XFX core edition 850w - £86

5- XFX core edition 850w - £86
5- XFX core edition 850w - £86

5- XFX core edition 850w - £86
5- XFX core edition 850w - £86

5- XFX core edition 850w - £86
5- XFX core edition 850w - £86

5- XFX core edition 850w - £86
5- XFX core edition 850w - £86

5- XFX core edition 850w - £86
5- XFX core edition 850w - £86

5- XFX core edition 850w - £86
5- XFX core edition 850w - £86

5- XFX core edition 850w - £86
5- XFX core edition 850w - £86

5- XFX core edition 850w - £86
5- XFX core edition 850w - £86

5- XFX core edition 850w - £86
5- XFX core edition 850w - £86

5- XFX core edition 850w - £86
5- XFX core edition 850w - £86

5- XFX core edition 850w - £86
5- XFX core edition 850w - £86

5- XFX core edition 850w - £86
5- XFX core edition 850w - £86

5- XFX core edition 850w - £86
5- XFX core edition 850w - £86

5- XFX core edition 850w - £86
5- XFX core edition 850w - £86

5- XFX core edition 850w - £86
5- XFX core edition 850w - £86

5- XFX core edition 850w - £86
5- XFX core edition 850w - £86

5- XFX core edition 850w - £86
5- XFX core edition 850w - £86

5- XFX core edition 850w - £86
 
Haha, you know I think you're trying to tell me something ace modder but I can't quite work it out.

Could you give me reasons as to why you would choose that over the others? It seems to me that sli is drawing 800w at load on most websites and I plan to overclock my cpu too. Is that not a bit risky? If it is risky well then I will never get sli so it's debatable if it's worth getting the 850w over a better 750w.

I have also now seen two reviews where they had to get a new XFX 850w to Finnish the review, still they do both highly commend the product. But that does worry me of the quality control. The hardpc one pretty much stages the 650w and 750w are fantastic and the 850w is still good but not as good. Not sure I'd want to run it so close to it's spec for sli and if not going sli then no reason to get 850w.

infernox said:
why do you think that your seasonic is failing, its a very good psu, and if its not showing any signs of vdroop and such why bother changing it ?
Click to expand...

My pc was showing signs of psu problems for a long time but I also had mobo problems and then when my second gpu died I have become even more suspicious that my psu is actually gradually killing my pieces. It's not something i'm willing to risk. I shall try and get it checked though but I wanted to know what psu Iwant to buy as my parts are soon to arrive and I don't have a psu I can definitely use.
 
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it's still worth buying for sli wattage, even if you stay with one card, the psu will cover anything in the future for a very long time. 6 years ago I bought a Tagan 580W modular psu and I am currently using it on my rig which has a ramped 480gtx in it, with no issues at all. Very good value imo, although i will be changing it soon because I would like another 480GTX.
 
Liquid said:
it's still worth buying for sli wattage, even if you stay with one card, the psu will cover anything in the future for a very long time. 6 years ago I bought a Tagan 580W modular psu and I am currently using it on my rig which has a ramped 480gtx in it, with no issues at all. Very good value imo, although i will be changing it soon because I would like another 480GTX.
Click to expand...

Well that's what I did with my seasonic but this has put me off some what. I certainly don't want to spend £120 again.

The problem is that the XFX core 850w isn't up to standard in my opinion. The 650w and 750w are fantastic but 850w pushes it too far. Where as the black editions are up to standard but I don't think I want to spend that much on a 850w with the assumption I may go sli some time in the future.

So over all I think I will pick up the 750w XFX black edition. Can't see anything wrong with it really.
 
privateeye0 said:
Just built my system last week:

480 GTX
AMD 965 Phenom
8gb RAM

I'm using this:

http://www.overclockers.co.uk/showproduct.php?prodid=CA-200-CM&tool=3

bargain under £60 for 650W! Don't know if it would handle SLI though...
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650w wouldn't handle sli. I would get the seasonic 620w again if I was to go for the 600w route. The money isn't a huge concern when it comes to quality in my opinion. I would imagine the seasonic would deliver a lot more wattage and amps then the coolmaster.
 
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