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[Cowcotland] Silverstone 450W Fully Modular SFX 80+ Gold rated PSU pictured - Page 6

post #51 of 198
Well yall can say 80+ would be as good as 95+ all you want, but it will never make it true. I don't care how the industry rates this or that, or whatever. I'm talking about something measurable with real scientific equipment done by a non biased third party here. Cause one day, maybe a long time from now, they'll have PSU's that are 95% power efficient, and no one will be looking back and saying "Hey remember 15 years ago when those old 80% power efficient PSUs were every bit as efficient as modern technology 95% efficient PSUs?"

Yeah no one will be saying that. They'll all be too busy using their more efficient PSUs. And that was my original point. That I want them to hurry and close that last 10-15% gap so that when I build a titan system, its not wasting so much power.
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post #52 of 198
Quote:
Originally Posted by Bennylava View Post

I want to know when we're going to start seeing certification 90 plus. I won't be satisfied until they're at 95 plus. The PC's that I want to build throughout my life are going to frequently need 800-1200 watt power supplies and 80% efficiency at that level leaves a lot to be desired. Its like running 5 light bulbs worth of wasted energy.

May I ask what kind of PCs you are building that need so much Wattage? I cant imagine anything that actually needs more than 900... unless you are continually building extreme monster rigs
post #53 of 198
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post #54 of 198
Quote:
Originally Posted by WiSK View Post

Delayed another 2 weeks eh-smiley.gif
http://hardforum.com/showpost.php?p=1038901441&postcount=1568

A little upset, but it gives me time to wait for 570s to come down another couple bucks before my build.
    
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post #55 of 198
The most important piece of inofrmation isn't there yet, apparently: the price. Sure, 80+ Gold and fully modular, that's all nice, but what about the price?
I hope it doesn't get as high as 100$...
 
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post #56 of 198
Quote:
Originally Posted by WiSK View Post

Quote:
Originally Posted by Vengeance47 View Post

Generally speaking, a unit that is gold rated is better than a bronze rated. Its a simple fact. The gold rated can only achieve gold certification because it is more efficient; in order to be more efficient it needs to have a better design and use higher quality components. Therefore, it is fair to assume that a gold rated unit is better than a silver/bronze/80+/non-certified.

Mate, I understand you just want to win your argument on the internets, but when you use the words "simple fact" and then go on to argue opinion based on only some incorrect assumptions then I have to react smile.gif

What we're trying to explain is that efficiency and quality are not directly correlated, and it does not automatically follow that efficiency comes from "higher quality components" nor that a "better design" leads to better efficiency or quality or performance. There are so many variables, that the PSU design can only satisfy so many at a time. For example, in order to get a higher efficiency, the design engineer may have to choose components which are detrimental to the amount of ripple, or skews the voltage more under load, or slightly compromises the short-circuit protection.

Because the PSU companies know that consumers are looking for an easy way to identify which PSU is "better", this bronze/silver/gold certification became so valuable to the positive marketing aspects of a new product. So this 80PLUS certification starts to overrule other decisions. Furthermore, we can't make the judgement based on the results of the company who does the 80PLUS efficiency testing, because they don't look at anything else but efficiency. They just measure AC-in compared to DC-out over various levels of current. They don't even test under extreme conditions, just at room temperature, with a steady power source, and not even with any PC components connected.

Best to make a comparison of the automotive industry. Think of an "eco" car that does 100km to the gallon and at the same time must exhaust less than 100g/km of CO2. Will it also achieve these numbers when driven hard in real road conditions, as opposed to just on the rollers? Sure you can broadly say that the quality of the parts for such a car must be of a certain standard, and the design will have been more rigorous than otherwise. But think now if that car didn't have the "eco" restrictions, they could probably make a similar design which would have a higher top speed, better response, better handling and could have a reduced cost of maintenance.

So it's also true with power supplies. By buying into the idea that efficiency is the most important variable in PSU design, we are leaving other important aspects at the wayside.

 

Great post. Repped.

    
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post #57 of 198
Quote:
Originally Posted by UltraVolta425 View Post

I hope it doesn't get as high as 100$...

Go to Newegg and search for gold-rated modular power supplies and let me know any that are under $100 rolleyes.gif
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post #58 of 198
Quote:
Originally Posted by WiSK View Post

Go to Newegg and search for gold-rated modular power supplies and let me know any that are under $100 rolleyes.gif

Not to be a smartass wink.gif, but, this. That said, you're essentially right: I can certainly imagine this'll be over $100 since it's coming from Silverstone. Its predecessor, the non-modular ST45SF, is $80. Too bad, but there's definitely a premium placed on modular and 80+ Gold. (and, to SFF builders, the ST45SF-G's size!)

Can't wait biggrin.gif.
post #59 of 198
EFFICIENCY DOES NOT EQUALS QUALITY
post #60 of 198
Quote:
Originally Posted by decali View Post

Not to be a smartass wink.gif, but, this.

That Rosewill Capstone is not entirely modular where it matters smile.gif

400
Edited by WiSK - 7/8/12 at 5:04am
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