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[TPU] Corsair AX1500i Officially Titanium Rated - Page 10

post #91 of 148
Has there been an update on availability? When can we expect reviewers to give their take on this PSU and when does it hit newegg or Amazon.
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post #92 of 148
I don't understand how power supplies provide that wattage when the cable that connects to the wall is only capable of pulling 1250 Watts, do I'm missing something?
post #93 of 148
Quote:
Originally Posted by Dargonplay View Post

I don't understand how power supplies provide that wattage when the cable that connects to the wall is only capable of pulling 1250 Watts, do I'm missing something?

The cables used in power supplies over 1200watts tend to be a larger guage so they can handle the extra power
post #94 of 148
That make sense, I though power cables had 1250W limits because that was the maximum power a single slot could provide, good to know I was wrong thumb.gif
post #95 of 148
Quote:
Originally Posted by Syan48306 View Post

Has there been an update on availability? When can we expect reviewers to give their take on this PSU and when does it hit newegg or Amazon.
Hopefully very soon??
Edited by Lonestar166 - 4/8/14 at 12:13am
post #96 of 148
I as well look forward to seeing some respected reviewers take this puppy for a spin. And when will it arrive at Canada computers?
post #97 of 148
Other than raw capacity, could someone please explain to me why this unit is a big deal? Why do people care about 1-3% extra efficiency (presumably to lower utilities cost) when you're spending so much dosh on the unit and the cards to make use of the units capacity?

Serious question. Not trolling or bagging on the product.
post #98 of 148
Quote:
Originally Posted by Dargonplay View Post

That make sense, I though power cables had 1250W limits because that was the maximum power a single slot could provide, good to know I was wrong thumb.gif

1200W is the maximum you can pull at 120V on a 10A breaker. A breaker with a greater amperage would allow you to pull more. A large portion of the world uses 230V for mains power. 230V * 10A = 2300W.
 
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post #99 of 148
Thread Starter 
Quote:
Originally Posted by fleetfeather View Post

Other than raw capacity, could someone please explain to me why this unit is a big deal? Why do people care about 1-3% extra efficiency (presumably to lower utilities cost) when you're spending so much dosh on the unit and the cards to make use of the units capacity?

Serious question. Not trolling or bagging on the product.

In this market it is not about the cost of running the unit so much as the sound and heat, as the Corsair rep said farther back. This unit is so efficient that under a normal load this unit would not even spin up its fan.

Edit: Refer to page 7.
Quote:
Originally Posted by CorsairGeorge View Post

The real reason for efficiency for home users isn't reducing energy costs. Even we'd acknowledge they're fairly minimal for home users (unless you're running mining rigs or something).

The backdoor benefit that efficiency ratings get you are measured in heat generation. Less heat being generated means less cooling is needed, which means less noise can be generated. You can run SLI 780s on the AX1500i and the fan won't even turn on.

Because at around 40% load, where the system we tested with two 780s ended up, you're drawing around 600W, and the fan didn't even need to turn on. The efficiency was so great that the heat being generated was little enough that the PSU could handle it passively.

Sure, saving a few bucks a year off an electricity bill is nice, but nobody in this hobby is counting pennies on utilities or we'd all be running APU-based rigs or laptops or something. Performance per watt is an impressive server requirement, but not for home users. My system is running full-bore maybe a couple hours a day, max.

The real benefit is less heat and less noise being generated.

Edited by DiaSin - 4/8/14 at 1:17am
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post #100 of 148
Quote:
Originally Posted by DiaSin View Post

In this market it is not about the cost of running the unit so much as the sound and heat, as the Corsair rep said farther back. This unit is so efficient that under a normal load this unit would not even spin up its fan.

Edit: Refer to page 7.

ahh, i guess that's what i get for skimming the thread.

Do any users actually have issues with their fan noise? I can't think of a situation where a high-quality, gold rated PSUs fan would be more audible than your rad fans or gpu fans, unless you are trying to scrape close to max capacity of the unit (thus 80-100% fan speed) :/
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