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Seasonic S12II 620W not in stock,any suggestions for replacement? - Page 2

post #11 of 51
Thread Starter 
Quote:
Originally Posted by TwoCables View Post

If you can afford the CX750, which is 168.25 лв., then there are a few PSUs I can recommend that are quite superior to both the CX750 and the 620W S12II.
Well i can afford it if i push my budget to MAX,so suggestions are more then welcome!
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post #12 of 51

If you want the possibility of 680 or 7970 Crossfire, then we should look at nice 650W power supplies.

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post #13 of 51
Thread Starter 
Well i can afford it if i push my budget to MAX,so suggestions are more then welcome
Quote:
Originally Posted by TwoCables View Post

The power consumption with two 6950s or two 7950s would never create a need for a PSU any 'bigger' than a quality-made 550W power supply.  Of course, you'd need 4 x PCI-E cables unless you are ok with using those ugly Molex to PCI-E adapters.
I guess i'll have to use them if i get the S12II,right? The CX750W comes with 4 PCI-E express cables,right? And about looks,i'm not much of an aesthetic guy.I have my case below my desk so i don't see ****.
Quote:
Originally Posted by TwoCables View Post

If you want the possibility of 680 or 7970 Crossfire, then we should look at nice 650W power supplies.
I don't have the budget to get even one GTX 680/hd 7970 so i went a little crazy.But maybe Two HD 7950,i can afford that once i start working the summer probably.
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post #14 of 51
i5-3570k at 4.5 GHz is nothing, for power consumption. I was worried about heavy OC 8-core (4-module) Bulldozer / Piledriver or hex-core i7.

If you don't care about using adapters, save some money and get the S12II. S12II 620W would handle GTX 680 SLI, HD 7970 Crossfire.
post #15 of 51

You're right.  Adapters would be required for Crossfire or SLi with the 620W S12II, but not the CX750.  I want to see if I can find a nice modular 650-750W power supply that has 4 x PCI-E cables from one of these 3 sites.

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post #16 of 51
Thread Starter 
Quote:
Originally Posted by mikeaj View Post

i5-3570k at 4.5 GHz is nothing, for power consumption. I was worried about heavy OC 8-core (4-module) Bulldozer / Piledriver or hex-core i7.
If you don't care about using adapters, save some money and get the S12II. S12II 620W would handle GTX 680 SLI, HD 7970 Crossfire.
So despite still being only 620W,it's enought to power everything you would ever want? I will never go AMD so no 8 core for me.Hexacore Intel in Bulgaria costs like equal to my whole PC ... biggrin.gif . The max i'll be using is like i7 3770k equivalent so low consumption CPU's.I have my vcore on 1.24V though,but i've read that's pretty low for 4.5Ghz.In your opinion,if money wasn't a problem,which one you would of choose?
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post #17 of 51

Ok, I think I made up my mind.  From those 3 sites, the best recommendation I can come up with is the 550W SeaSonic G Series for 154.82 лв. с ДДС:

 

http://nikem-bg.net/computer-components/PSU-SEASONIC-SSR-550RM-GOLD

 

It is a high-end modular PSU that has 2 x 6+2-pin PCI-E cables, and it can easily deliver 550W continuously if it ever becomes needed.  Two 680s would be fine, but if you wanted to have two 7970s with this PSU, then it would come up short if you wanted to have a simultaneous full load on the 3570K and the 7970s.  Of course, when does that ever happen?  I mean really, are there any games that bring both the CPU and the video card to their knees at the same time?  All I would ask is, don't overclock the 680s or 7970s.  ;)

 

Here's Newegg's product page for it in order to get a better look at it:

 

http://www.newegg.com/Product/Product.aspx?Item=N82E16817151119

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post #18 of 51
Thread Starter 
Quote:
Originally Posted by TwoCables View Post

Ok, I think I made up my mind.  From those 3 sites, the best recommendation I can come up with is the 550W SeaSonic G Series for 154.82 лв. с ДДС:

http://nikem-bg.net/computer-components/PSU-SEASONIC-SSR-550RM-GOLD

It is a high-end modular PSU that has 2 x 6+2-pin PCI-E cables, and it can easily deliver 550W continuously if it ever becomes needed.  Two 680s would be fine, but if you wanted to have two 7970s with this PSU, then it would come up short if you wanted to have a simultaneous full load on the 3570K and the 7970s.  Of course, when does that ever happen?  I mean really, are there any games that bring both the CPU and the video card to their knees at the same time?  All I would ask is, don't overclock the 680s or 7970s.  wink.gif

Here's Newegg's product page for it in order to get a better look at it:

http://www.newegg.com/Product/Product.aspx?Item=N82E16817151119
I thought 550W is not enought at first but when i saw the chart,540W goes to the 12V rail.That's amazing !!drool.gif
Being Semi-Modular - amazing future.Just read a review about it and it can deliver up to 640W max output without even shutting down.Impressive!The Seasonic 620W has 580W on the 12V rail.According to thermaltake PSU calculator,GTX 680 with i5 @ 4.5Ghz,2HDD,1 CD/DVD,2 DDR3 sticks,high-end mobo(not really the case with me biggrin.gif but whatever) 4 200mm fans(like if that's possible) and H100,it recommends around 450W.Is that 450W on the 12V or from the wall,or just the Max power of the PSU?
Isn't the Amps on the 12V also important?The Seasonic G Series 550W has 46A while the seasonic 620W has 48W and the CX750 - 62 biggrin.gif
I can't find the CX750 on the PSU recommended list so i think it isn't in the game anymore.
Being Gold Rated,i guess it means it delivers almost all it's power on the 12V,good efficiency if i'm not wrong?
And btw,how is the SSR-550W SLI/Crossfire ready when my current HD 6850 require 2x6pin ?
Edited by hotwheels1997 - 12/19/12 at 9:58am
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post #19 of 51
Quote:
Originally Posted by hotwheels1997 View Post


I thought 550W is not enought at first but when i saw the chart,540W goes to the 12V rail.That's amazing !!drool.gif
Being Semi-Modular - amazing future.Just read a review about it and it can deliver up to 640W max output without even shutting down.Impressive!The Seasonic 620W has 580W on the 12V rail.According to thermaltake PSU calculator,GTX 680 with i5 @ 4.5Ghz,2HDD,1 CD/DVD,2 DDR3 sticks,high-end mobo(not really the case with me biggrin.gif but whatever) 4 200mm fans(like if that's possible) and H100,it recommends around 450W.Is that 450W on the 12V or from the wall,or just the Max power of the PSU?

 

Yeah, the 550W SeaSonic G Series is pretty much my favorite PSU to recommend right now (but I wasn't specifically looking for it - I was surprised to see it).

 

That's 450W being pulled from the PSU in total, but I think it would be even less than that for a single 680:

 

http://www.guru3d.com/articles_pages/geforce_gtx_680_sli_review,4.html

 

With one GTX 680 under full load in their system, their PSU pulled 307W from the wall outlet.  Their CPU was idling, so I have to add about 150W for an overclocked 3570K which makes the PSU pulling 457W from the wall outlet.  If the PSU is 85% efficient while pulling 457W from the wall outlet, then that would mean the system is pulling 388W from the PSU.

 

With two 680s, the final calculation after 85% efficiency would be 529W being pulled from the PSU.

 

I'm using 85% efficiency because that's pretty much what their test system's PSU is at.

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post #20 of 51
Thread Starter 
Quote:
Originally Posted by TwoCables View Post

Your Post (Click to show)
Yeah, the 550W SeaSonic G Series is pretty much my favorite PSU to recommend right now (but I wasn't specifically looking for it - I was surprised to see it).

That's 450W being pulled from the PSU in total, but I think it would be even less than that for a single 680:

http://www.guru3d.com/articles_pages/geforce_gtx_680_sli_review,4.html

With one GTX 680 under full load in their system, their PSU pulled 307W from the wall outlet.  Their CPU was idling, so I have to add about 150W for an overclocked 3570K which makes the PSU pulling 457W from the wall outlet.  If the PSU is 85% efficient while pulling 457W from the wall outlet, then that would mean the system is pulling 388W from the PSU.

With two 680s, the final calculation after 85% efficiency would be 529W being pulled from the PSU.

I'm using 85% efficiency because that's pretty much what their test system's PSU is at.

Isn't the Amps on the 12V also important?The Seasonic G Series 550W has 46A while the seasonic 620W has 48W and the CX750 - 62
I can't find the CX750 on the PSU recommended list so i think it isn't in the game anymore.
Being Gold Rated,i guess it means it delivers almost all it's power on the 12V,good efficiency if i'm not wrong?
And btw,how is the SSR-550W SLI/Crossfire ready when my current HD 6850 require 2x6pin ?
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Overclock.net › Forums › Components › Power Supplies › Seasonic S12II 620W not in stock,any suggestions for replacement?