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Are all 6 pins powered the same?

post #1 of 9
Thread Starter 
I'm switching from a one connector 6 pin GPU card to a dual 6 pin GPU and I was curious which rails I should use the cables from. Are they all exactly the same? Should I try to get two that are on the same rail or is there no difference between any of them? Maybe they are all seperate so it doesn't matter, figured I would double check first.

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post #2 of 9
Quote:
Originally Posted by 00firebird View Post

I'm switching from a one connector 6 pin GPU card to a dual 6 pin GPU and I was curious which rails I should use the cables from. Are they all exactly the same? Should I try to get two that are on the same rail or is there no difference between any of them? Maybe they are all seperate so it doesn't matter, figured I would double check first.


Is that the old TX?
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post #3 of 9
Thread Starter 
yes from 2009 or so. As you can tell by the picture. I'm not sure what the difference is, if any.
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post #4 of 9
Quote:
Originally Posted by 00firebird View Post

yes from 2009 or so. As you can tell by the picture. I'm not sure what the difference is, if any.

I had a LC Power based on the same platform and the problem was the 12v rail was not very strong

i had a Geforce 8800 GTX and every time i would use AA in games the OCP would kick in and shut down the PSU

Thats was in 2008 newer video cards are just as bad if not even worse
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post #5 of 9
Thread Starter 
Well I'm already using a GTS 250 just fine, which was a 9800GTX+ so... dunno what to tell ya.
Am I supposed to use a multimeter on all the conectors? Not sure what setting to put it on for that.

edit here's what I have to choose from. Normally I use the "20" between the 9 and 12oclock positions when Im checking Li-ion batteries.


double edit: went and measured my 4pin molex and the 6 pin connectors and both read right around 12.30v. Figured a GPU would get more juice than a normal case fan. I guess there's two of them.
Edited by 00firebird - 6/23/13 at 11:36am
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post #6 of 9
What i think you need to do is just try not to overload the 12v

Cant even recall if it only has one 12v rail or many
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post #7 of 9
Thread Starter 
I'm not really sure how a 12 volt rail works but could you explain it? How do I avoid overloading it

this review shows the following
http://www.phoronix.com/scan.php?page=article&item=926&num=2
The Corsair TX750W has the following connectors: 20+4-pin motherboard, 4+4-pin ATX/EPS, four 6+2-pin PCI Express, eight 4-pin molex, two 4-pin floppy, and eight Serial ATA interfaces.

Also this seems helpful.
http://www.hardwarecanucks.com/forum/hardware-canucks-reviews/3669-corsair-tx750-750w-power-supply-review-4.html
For this power supply, Corsair has gone with a single massive 60A +12V rail which can output 720W of power. I have said it once and I will say it again: having a large +12V rail is a must in this day and age. Nearly all of the most power hungry components draw power from the +12V rail(s) and having 96% of the total power available on the +12V rail like the TX750 does ensures sufficient power delivery. To tell you the truth, this 60A of available power on the +12V rail is extremely high for a 750W power supply.
Edited by 00firebird - 6/23/13 at 12:15pm
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post #8 of 9
Quote:
Originally Posted by 00firebird View Post

I'm not really sure how a 12 volt rail works but could you explain it? How do I avoid overloading it

this review shows the following
http://www.phoronix.com/scan.php?page=article&item=926&num=2
The Corsair TX750W has the following connectors: 20+4-pin motherboard, 4+4-pin ATX/EPS, four 6+2-pin PCI Express, eight 4-pin molex, two 4-pin floppy, and eight Serial ATA interfaces.

Also this seems helpful.
http://www.hardwarecanucks.com/forum/hardware-canucks-reviews/3669-corsair-tx750-750w-power-supply-review-4.html
For this power supply, Corsair has gone with a single massive 60A +12V rail which can output 720W of power. I have said it once and I will say it again: having a large +12V rail is a must in this day and age. Nearly all of the most power hungry components draw power from the +12V rail(s) and having 96% of the total power available on the +12V rail like the TX750 does ensures sufficient power delivery. To tell you the truth, this 60A of available power on the +12V rail is extremely high for a 750W power supply.

Its a single 12v rail unit

Mine was a LC Power unit so it might just have been crap i did not know anything about PSU´s back then
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post #9 of 9
Thread Starter 
based on the review results it seems to have been one of the most consistant PSUs ever for it's day.
If it's all on the same rail anyway then it doesn't matter what cable I use... thanks.
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