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Corsair CX430. Is it enough for 965BE + 560Ti? - Page 2

post #11 of 37
I'd do it. It would be getting to that 80% capacity, but I'm sure it'll work. If it doesn't, it'll just shut off on you, and then you know you need a bigger PSU.
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post #12 of 37
Quote:
Originally Posted by Hooy View Post

thinking.gif This is what I mean by mixed answers, lol! Thanks for the help gents. I'd love to hear 3rd opinions on this.

Also, no one has answered, but will a molex to 6 pin be safe? I've seen a couple of threads about them catching fire...
I mentioned the molex earlier, but it was edited in too late I think? I don't remember. They're fine unless the connections go loose, as with most things.

If you want CPU power figures, you can kind of guess based on system load differences—note that additional power is lost in the power supply (seeing as they are measuring at the wall) and VRMs:
http://www.anandtech.com/show/2819/8
http://www.xbitlabs.com/articles/cpu/display/phenom-ii-x4-965_4.html#sect0

Power consumption of GTX 560 Ti isolated from the rest of the system:
http://www.techpowerup.com/reviews/NVIDIA/GeForce_GTX_560_Ti/25.html

FYI companies define TDP in different ways, but generally you'd expect that actual power consumption can't be too much higher than TDP, or else the cooling system wouldn't be able to handle the thermal load... assuming the stock cooling is only spec'd to handle around the level specified. So it's roughly around what full load power draw would be usually. GTX 560 Ti listed TDP is 170W and Phenom II X4 965 is either 140W or 125W, depending on the revision.
post #13 of 37
Just buy a quality 750W power supply and everything is good. I've heard/read mixed reviews on the Corsair CX brand. I advise to spend a little more on a more "mainstream" brand.
post #14 of 37
Quote:
Originally Posted by NexusRed View Post

Just buy a quality 750W power supply and everything is good. I've heard/read mixed reviews on the Corsair CX brand. I advise to spend a little more on a more "mainstream" brand.

You don't think Corsair is mainstream?
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post #15 of 37
Thread Starter 
Quote:
Originally Posted by AndyM95 View Post

I'm about to sell my old 560 Ti to a friend, such an awesome card thumb.gif
It's perfectly safe. Just make sure it's a dual molex to single 6-pin connector, whoever thought a single molex adapter was a good idea should be hung.

Quote:
Originally Posted by mikeaj View Post

I mentioned the molex earlier, but it was edited in too late I think? I don't remember. They're fine unless the connections go loose, as with most things.

If you want CPU power figures, you can kind of guess based on system load differences—note that additional power is lost in the power supply (seeing as they are measuring at the wall) and VRMs:
http://www.anandtech.com/show/2819/8
http://www.xbitlabs.com/articles/cpu/display/phenom-ii-x4-965_4.html#sect0

Power consumption of GTX 560 Ti isolated from the rest of the system:
http://www.techpowerup.com/reviews/NVIDIA/GeForce_GTX_560_Ti/25.html

FYI companies define TDP in different ways, but generally you'd expect that actual power consumption can't be too much higher than TDP, or else the cooling system wouldn't be able to handle the thermal load... assuming the stock cooling is only spec'd to handle around the level specified. So it's roughly around what full load power draw would be usually. GTX 560 Ti listed TDP is 170W and Phenom II X4 965 is either 140W or 125W, depending on the revision.

Ah, thanks guys. I think the power will be enough, so now my main concern goes to the molex issue. This PSU only has 1 molex connection, but a dual molex to 6 pin was recommended. Is there a workaround for this, or am I just out of luck?
post #16 of 37
Quote:
Originally Posted by NexusRed View Post

Just buy a quality 750W power supply and everything is good. I've heard/read mixed reviews on the Corsair CX brand. I advise to spend a little more on a more "mainstream" brand.

Brands are meaningless so dont look at brands

Am getting tried of repeating that line

And 750 watts is overkill unless you have two high end video cards
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post #17 of 37
Quote:
Originally Posted by Hooy View Post


Ah, thanks guys. I think the power will be enough, so now my main concern goes to the molex issue. This PSU only has 1 molex connection, but a dual molex to 6 pin was recommended. Is there a workaround for this, or am I just out of luck?
If you use a single 4-pin Molex to 6-pin PCIe adapter this happens...



Nuff said.
The theoretical maximum power draw of 12V on a single Molex is 60 Watts. The maximum power draw of a single 6-pin PCIe connector is 75W.
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post #18 of 37
Quote:
Originally Posted by shilka View Post

Brands are meaningless so dont look at brands

Am getting tried of repeating that line

And 750 watts is overkill unless you have two high end video cards

My mistake. I'll rephrase my statement. I would go for a psu with more quality parts. There is nothing wrong with overkill on the wattage. It gives you more room to expand and upgrade as needed. I would rather shell out the money now for a good 80+ unit @ 750w then a regular 400w unit.
post #19 of 37
Quote:
Originally Posted by NexusRed View Post

My mistake. I'll rephrase my statement. I would go for a psu with more quality parts. There is nothing wrong with overkill on the wattage. It gives you more room to expand and upgrade as needed. I would rather shell out the money now for a good 80+ unit @ 750w then a regular 400w unit.

It also costs more to use as you use less of the power which then drops efficiency

So not only do you waste money on something you dont need you spend more money to run what you bought
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post #20 of 37
Quote:
Originally Posted by shilka View Post

It also costs more to use as you use less of the power which then drops efficiency

So not only do you waste money on something you dont need you spend more money to run what you bought

lol this is OCN your talking about. We all spend money on stuff we don't need. Power must be expensive where your at because running my rig only costs me pennies per month. Anyways, I'll move on to another thread.
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