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post #11 of 24
Just a quick note: Modular PSUs are a great idea. The Power supply company PC Power and cooling had a web page called "PSU MYTHS" that claimed single rail is always better, modular is a bad idea, and a single tiny fan is always best. All three of those are false and have unfortunately persisted.
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post #12 of 24
Ok, but for any of the graphics cards listed, the recommended psu is 450w with at least 24A +12v rating. That Antec psu has 2 22A +12v rails. That is not the same as 1 44A rail.
 
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post #13 of 24
Quote:
Originally Posted by mat459 View Post

Ok, but for any of the graphics cards listed, the recommended psu is 450w with at least 24A +12v rating. That Antec psu has 2 22A +12v rails. That is not the same as 1 44A rail.

You can run a GPU off two different rails with no issues. If you ever chose to run a second GPU, just connect both GPUs to both rails and the PSU will sort out what power needs to go where.
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post #14 of 24
You can. I'm only pointing out that the Antec power supply the OP has picked does not meet the minimum recommendation for the graphics cards he/she is considering.
 
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post #15 of 24
Thread Starter 
Quote:
Originally Posted by coachmark2 View Post

Just a quick note: Modular PSUs are a great idea. The Power supply company PC Power and cooling had a web page called "PSU MYTHS" that claimed single rail is always better, modular is a bad idea, and a single tiny fan is always best. All three of those are false and have unfortunately persisted.
Yeah I'm aware of that and all this multi rail vs. single rail is nothing but bull****. jonnyGURU wrote a huge article regarding it at their forums I went through it and found it very interesting. As for PC Power and Cooling, guess they themselves use those thing that could be the reason and there's a reason why top-of-the-line PSU are modular and the highest rated PSU at jonnyGURU (9.9/10) was multi-rail unit.
Quote:
Originally Posted by mat459 View Post

Ok, but for any of the graphics cards listed, the recommended psu is 450w with at least 24A +12v rating. That Antec psu has 2 22A +12v rails. That is not the same as 1 44A rail.

That must be for some crappy unit. I thought folks at OCN might know more than me guess I was slightly wrong. I've done my homework and I'm pretty sure about my power requirements. I go through OCN member Original Sin and Tator Tot's post to keep myself up to date with power supply stuff.

This is what I've come up with:
Upgrade my CPU to 3570k OR 2500k in case I require some savings. Grab an Nvidia GeForce GTX 660 (non-Ti). Upgrade my PSU to some decent continues 500W unit. And happy gaming till I gather more funds, and then move to a mainstream Z77 high-end motherboard with a decent CPU cooler.

By the way, will this Thermaltake Frio fit in my chassis?

Thanks.
post #16 of 24
Yup. PC Power & Cooling ca. 2007 - 2010: bastion of stagnant design and lack of progress. They've improved since, but their nonsense myth page continues to be a pain in the butt.
post #17 of 24
Quote:
Originally Posted by mat459 View Post

You can. I'm only pointing out that the Antec power supply the OP has picked does not meet the minimum recommendation for the graphics cards he/she is considering.

You are incorrect. Single/multiple rail does not matter and does not affect the +12V capacity of the unit in question as long as the multi-rail OCP trip points are not set stupidly low, which they are not. You're wrong. Sorry.
post #18 of 24
I did NOT say that PSU will not power that system/graphics card. I know the power recommendations are always more than really needed, and the wattage is fine. All I said was it does not have 24 AMPS on the +12v rails. Therefore, it does NOT meet the minimum recommended power requirements.
 
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post #19 of 24
You misunderstand what the recommended power requirements are about and what they mean, and there's also the fact that the requirements are generally totally arbitrary. I'm in a position to know.


The "power requirements" generally don't give two loose stools whether a PSU has one rail, two, four, five, thirty seven, or 3.14159. As long as the power supply's +12V circuit (transformer output, rectifier, coil, etc.) can all supply the required current in Amperes within Intel's ATX12V specifications for electrical noise and voltage, then the PSU meets the requirement. Easy peasey. Rails don't figure into it.

Now, because Nvidia is a company that enjoys keeping its users in the dark, and also enjoys screwing with other parts of the industry for Jen Hsun's amusement, they know that the requirements are arbitrary and confusingly written, and they don't care. Which is why you're confused. As for why you're angry, it's because I'm telling you you're wrong and that hurt your pride. Sorry.
Edited by Phaedrus2129 - 10/20/12 at 8:48pm
post #20 of 24
What are they about and what do they mean?
 
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