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 Choosing The Right PSU, Discussions about power supply units.

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vassalle
post Feb 26 2007, 12:17 PM

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QUOTE(vey99 @ Feb 25 2007, 08:09 PM)
Actually he has 32A (384W) calculate from combined 12V rails, not the sum of both...
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So is that enough to run the 8800GTS?

BTW, i just recently got a 8800GTS 320mb version and plugged it in my current setup (e6300,blablabala and Acbel 450w). So far (only 24 hours) its still ok. But reading about all the PC meletup stories got me abit worried. Is the Acbel 450w enough to run my 8800GTS + c2d (oc abit to but undervolt kaokao to 1.19v vs 1.325v default)
vassalle
post Feb 26 2007, 12:41 PM

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Thanks for the link. Played with it before but forgot to bookmark it doh.gif
anyway, it says that the power requirement is 418w.

Here's a snapshot on the details for my acbel PSU.Attached Image

Aiyoo.. pengsan la if have to get a new PSU. What are the signs that I should look for if the PSU is not strong enough?
vassalle
post Feb 26 2007, 04:11 PM

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QUOTE(mashimarow @ Feb 26 2007, 03:07 PM)
Acbel is a strong 12V PSU, your 450W should enough to run 8800GTS under minimal setup but not GTX.  For safety, you can use a program to check the 12V rail, if it is running lower than 11.60, consider your PSU is overwork.  Normally a strong PSU should maintain around 11.90

In term of modern usage, A 26A on 12V rail consider healthy.  However depends on your usage, such as using 8800, 26A may not enough.
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Hmm.. but from the pic i posted above, max of 300w from 12v translates to 25A. Just slightly below the recommended 26A minimum. Arrgghh.. Need to shell out some money for a new PSU. Dangg..

If i need to change, i'm planning to get the Seasonic S12 Energy+ 550W PSU. It has some 41A 12v rails. Is it an overkill?
vassalle
post Feb 26 2007, 04:51 PM

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QUOTE(vey99 @ Feb 26 2007, 04:28 PM)
Seasonic 550 is around RM550, why not save 200 and get the Silverstone ST56F? On mine it says 12V is 40A... Of course if you want better quality, go for Seasonic / Fortron ...
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On mine it says 12v is 40A <- what are u referring to actually? The st56f or the seasonic?

Dont dare to use fortron coz there are rumours that my Mobo DS3 does not like fortron PSUs HERE
Doesnt say what model though.. But unless there's someone to prove otherwise, I wouldnt want to gamble on that brand for now.

As for the ST56F, i've been reading up a lot about it. The thing I like about it is the 36A and the price. But after reading a couple reviews, especially from SPCR (ironically i found this review from the product page), it was kindof a letdown tbh. Summore, there are ppl complaining about the buzzing sound in the silverstone bulk area. My PC is by no means silent, but i really cannot stand the buzzing mosquitoish sound. It drives me crazy especially because my PC is beside my bed. But i'm not writing it of just yet.
vassalle
post Feb 26 2007, 05:48 PM

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QUOTE(vey99 @ Feb 26 2007, 05:27 PM)
My ST56F is at 40A for 12 V (the website says 36A, but actual unit I have is 40A, dunno why also)

Fortron incompatibility with PDS3 - unsurelah but Fortron Epsilon 600 price is around 435 and also approved for SLI at www.slizone.com...

ST56F noise - My unit doesnt have any buzzing sound, currently my rig is silent (zalman 9500 hsf + zalman vf900cu) and no diff after putting the ST56F. So far no one in Kingmakers bulk got problem (i got from him)
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There was one guy complaining about the buzzing sound in the moderno/zamree bulk. Your ST56F states 40A? Where does it say? On the sticker on the PSU is it? Really curious now hmm.gif Can take photo or not?
vassalle
post Feb 26 2007, 07:45 PM

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rclxms.gif drool.gif DROOLLLL.. okayla, now i feel like driving to Subang and get one from Moderno! I think they must have made a refresh/updated for the ST56F. Weird that its not stated in their website or any where else.

Tried google Look what i've found! That was pretty fast.

This post has been edited by vassalle: Feb 26 2007, 07:48 PM
vassalle
post Feb 26 2007, 07:57 PM

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QUOTE(sniper69 @ Feb 26 2007, 07:54 PM)
in PSU world, multi-rail - 20A + 20A isn't really 40A wink.gif, it's at least 36A
hmm.gif what do you mean by that? 24 pin on PSU or 24 pin on mobo? i assume, PSU comes with 20+4 pin, 4 pin (CPU) wink.gif
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Not really familiar with PSU to be honest. But it says "Combined 12V: 480W/40A". Does it still mean 36A?
vassalle
post Feb 26 2007, 08:22 PM

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I'll just assume that PC&PP is the Tiger Woods or Roger Federer for PSU, which is really in a different league to the rest. 80A 12v is too l33t for me.

But for the middle tier PSUs, is the 40A for the ST56F comparable to the 41A for the Seasonic S12 550W? Or Silverstones 40A rating is not 'reliable'?
vassalle
post Feb 27 2007, 11:38 AM

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Anyway, moderno habes stock already for his st56f. By anychance ATE brings the PSU? C-zone charge quite expensive la @ RM 399. sad.gif

/sorry a bit off topic.
vassalle
post Feb 27 2007, 11:53 PM

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Thanks. GOt it from MyPC @ a very good price! From now on, im getting my stuffs from there.
vassalle
post Mar 1 2007, 02:45 PM

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QUOTE(sniper69 @ Mar 1 2007, 12:29 PM)
that's normal, that's what we call, voltage fluctuation smile.gif, anyway, it doesn't need always over 12v, anywhere between 11.75~13.75 is a safe
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Err.. that range using what software? my st56f and even my old acbel both reporting 11.5 +- 0.05 in everest in both Vista and XP.

Using the easytunes, Mine is 12.2 ++v. I know they are all inaccurate but which one is the better one? (or are there any other software you would recommend to check your voltages?)

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