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Old 11-24-08, 03:57 AM   #13
EciDemon
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Default Re: Psu good enugh for 260 core 216?

Minimum recommended is 500w with 36a on the 12v lines
So you have to check how much juice you have on the 12v line(s)
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Old 11-24-08, 09:42 AM   #14
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Default Re: Psu good enugh for 260 core 216?

Quote:
Originally Posted by jcrox View Post
I have a friend that runs his on a POS, old as dirt 450w PSU, unless you really have some pile of crap you should be ok.
It might be fine for now but I would be suprised if it holds up much longer, its never good to run a PSU at its max capacity for an extended period of time. If his PSU goes out it could also take out the rest of his system along with it.

Never skim on the PSU when buying nice hardware.
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Old 11-24-08, 09:53 AM   #15
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Default Re: Psu good enugh for 260 core 216?

Quote:
Originally Posted by EciDemon View Post
Thanks John, I'm out looking for reviews too but can't find any solid info. The one you found there is the older version with weaker 12v rails (16a/15a) and a bit different in cables too. They do look the same and have same name too so I think they did a quite switch to better work with new hardware.

I did find a guy who claimed he ran two 8800gts in sli with a core duo E6850 on the psu with 2x 20a 12v rails for a while


Dual rail PSU's are probably of the worst design because if im not mistaken ONE of those 12v rails are entirely wasted on the CPU alone leaving the other rail left to power the rest of the system.

Its just not a good design for a high end gaming system because of the fact that you can easily overload the second 12v rail which is left over to power your GPU and all of the other accessories.


Your better off with a good powerful SINGLE 12v rail PSU as the power from that one rail is dedicated to the entire system and all your components can draw the power that it needs without having to worry about overloading the 12v rail.


I recommend this PSU for your setup-

52amp Single 12v rail.
http://www.newegg.com/Product/Produc...82E16817139005

Or this one which is my personal favorite-

49amp Single 12v rail.
http://www.newegg.com/Product/Produc...82E16817703005
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Old 11-24-08, 10:00 AM   #16
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Default Re: Psu good enugh for 260 core 216?

Quote:
Originally Posted by ATi View Post
Do you guys think my Hx620 is good enough for a GTX260 216 SLI setup?
It might but I would say that you would probably be pushing the upper limits of that PSU and depending on the rest of your system and how much overclocking you do it could be a little bit to much on that PSU for the long term.

This would be a better PSU to fit the job of 260's in SLI as it would provide a bit more head room to work with.

PC Power & Cooling S75QB 750W 60amp Single 12V rail. $114.99 before MIR and $79.99 after MIR.
http://www.newegg.com/Product/Produc...82E16817703009
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Old 11-24-08, 10:10 AM   #17
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Default Re: Psu good enugh for 260 core 216?

I would get either a SiverStone OP750 watt or a Corsiar 750watt for $119 or the PC Power & Colling 750watt for $115 and they all have 60 amps on the 12v rails.Plus a 750 watt with 60amps will run two GTX 260's.If you are just going to run one then the Antec Earthwatts 650watts for $49 with do a good job.
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Old 11-25-08, 02:13 AM   #18
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Default Re: Psu good enugh for 260 core 216?

Quote:
Originally Posted by spokenfor View Post
It might but I would say that you would probably be pushing the upper limits of that PSU and depending on the rest of your system and how much overclocking you do it could be a little bit to much on that PSU for the long term.
I have the same hx620 but I'm going for a single stock clocked 260. Reading some reviews gives me the notion that if I'm not using sli, then I should be fine.

I think. D:
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Old 11-25-08, 03:02 AM   #19
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Default Re: Psu good enugh for 260 core 216?

Quote:
Originally Posted by spokenfor View Post
Dual rail PSU's are probably of the worst design because if im not mistaken ONE of those 12v rails are entirely wasted on the CPU alone leaving the other rail left to power the rest of the system.

Its just not a good design for a high end gaming system because of the fact that you can easily overload the second 12v rail which is left over to power your GPU and all of the other accessories.


Your better off with a good powerful SINGLE 12v rail PSU as the power from that one rail is dedicated to the entire system and all your components can draw the power that it needs without having to worry about overloading the 12v rail.


I recommend this PSU for your setup-

52amp Single 12v rail.
http://www.newegg.com/Product/Produc...82E16817139005

Or this one which is my personal favorite-

49amp Single 12v rail.
http://www.newegg.com/Product/Produc...82E16817703005
You are so right about the rails, it makes little sense these days to have more then one rail.
Shopping for PSU's can be real pain, essential information is not always listed etc

I decided to give it a try with my current psu, if I detect any type of slow downs or instability Im fairly sure where the problem is and in that case I order a new psu right away, else I wait till next month and get a good one

I'd like to have one of those modular types so I can rid the cables I don't need. Tt had some nice looking psu's but I don't know if they are single rail design yet.
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Old 11-26-08, 02:46 AM   #20
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Default Re: Psu good enugh for 260 core 216?

UPDATE:
Installed the card last night and it works perfectly thus far.

I did not see a huge boost in FPS at my resolution of 1680x1050. Thinking my cpu is the bottle neck, however with FSAA the new card really shines so I'm more then happy.
Temperatures seems normal at 42c idle and 70-75c while gaming.

I played mostly Sacred 2 last night with ingame option of 4x AA (forcing AA in this game don't work ), this used to kill performance on my 8800Gt, Now it's silky smooth
Im impressed of the difference
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Old 12-01-08, 01:16 AM   #21
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Default Re: Psu good enugh for 260 core 216?

I have this one:

http://www.be-quiet.es/pdf/sp_e6_700_EN.pdf

Be quiet Straight Power 700W it has 4 12V rails at 18A each one (combined 56A), I hope is enough for the GTX260-216 I had ordered.
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