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New antec PSU...

post #1 of 11
Thread Starter 
So I found myself browsing Newegg last night (dangerous I know) and I came across what appears to either a misprint by newegg, or a gem of a psu at a steal of a price. Now before the trolls hop on and say its only 550w, look at the amps on the 12v rails. Platinum rated with a combined 120amps on the 12v circuit and Antec built. All for $110???? Im skeptical since it is a new release and I know nothing about it. Any input Phaedrus? Maybe a review in the works?

http://www.newegg.com/Product/Product.aspx?Item=N82E16817371055
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post #2 of 11
No way, the amps must be wrong. 4 x (30x12)= 1440W!
    
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post #3 of 11
Wow, that's a solid little psu for the price. I've had both an EA 650 and 750 for a couple (maybe 3) years and couldn't be happier. I too would be interested to know some guru's op on this one though. Hah, yeah that amperage can't be right.
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post #4 of 11
Thread Starter 
My thoughts exactly lol. However if legit, that puts alot of more expensive/higher rated/name brands to shame. Cough cough **hx750 in sig rig** cough cough...
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post #5 of 11
FSP Aurum Gold based unit. Very nice. Performance isn't amazing, but it is efficient and has decent build quality. Go for it.
post #6 of 11
And there you have it folks. You heard it first here on OCN.

P.S. Phadrus I hope you're grooming an apprentice. Your opinions are leaned on pretty hard here lol
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post #7 of 11
Thread Starter 
Are those actual outputs on the 12v or is that an exaggeration?
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post #8 of 11
It's a nice looking PSU, but you cannot add up the amperage on the 12V 'rails' like you're doing there.

The photo of the unit's tag shows the total 12V+ capacity as 516W which means 516/12 = 43A.

Basically this thing works (for all intents and purposes) almost exactly like a single 12V+ rail unit would work ... which is to say, the cutoffs on the OCP's (over current protection) that define the '4 12V rails' are set so high (relative to the actual total 12V+ amperage) as to be virtually meaningless.

Not that this is a bad thing, mind you ... I like my single rail unit cause then I don't have to think at ALL about how I hook things up, EVER wink.gif

Edit: So, no Hat ... they're not 'outputs', just like with every multi 12V+ 'rail' PSU, these numbers represent the amperage cutoffs on (in this case 4) different OCP circuits (which are in turn hooked to various groups of wires coming off the PSU). They describe an output LIMIT across groups of wires, and aren't related to the possible output AMOUNT ... although each 'rail' is generally listed as being LESS than the total amount.

Put it this way, there's nothing that would stop a PSU maker from advertising a unit that has 4 x 100A 12V+ rails (other than being exposed to ridicule wink.gif) ... even though it only has 50A of actual total capacity. What this would be, in reality, is a de-facto single 12V+ rail unit, because the OCP cutoff on every 'rail' is set higher than would ever be transmitted over any group of wires.
Edited by brettjv - 1/24/12 at 5:46pm
    
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post #9 of 11
Think of the rails on a multi-rail unit as kind of like circuit breakers in your house.
post #10 of 11
Thread Starter 
Quote:
Originally Posted by brettjv View Post

It's a nice looking PSU, but you cannot add up the amperage on the 12V 'rails' like you're doing there.
The photo of the unit's tag shows the total 12V+ capacity as 516W which means 516/12 = 43A.
Basically this thing works (for all intents and purposes) almost exactly like a single 12V+ rail unit would work ... which is to say, the cutoffs on the OCP's that define the '4 12V rails' are set so high (relative to the actual total 12V+ amperage) as to be virtually meaningless.
Not that this is a bad thing, mind you ... I like my single rail unit cause then I don't have to think at ALL about how I hook things up, EVER wink.gif
Edit: So, no Hat ... they're not 'outputs', just like with every PSU, these numbers represent the amperage cutoffs on 4 different OCP circuits (which are in turn hooked to various groups of wires coming off the PSU). They describe an output LIMIT across groups of wires, and aren't related to the output AMOUNT ... although they're generally LESS than the total amount.
Put it this way, there's nothing that would stop a PSU maker from advertising a unit that has 4 x 100A 12V+ rails ... even though it only has 50A of actual total capacity. What this would be, in reality, is a de-facto single 12V+ rail unit, because the OCP cutoff on every 'rail' is set higher than would ever be transmitted over any group of wires.

I knew there had to be something I was missing here. Thanks for the info. Seems kinda odd that antec would raise the limits so high on that psu? Im assuming marketing strategy or something of the sort.
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