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My new GPU requires 42A on the 12v rail, am I okay? - Page 2

post #11 of 15
Thread Starter 
.5 more A on the 12v rail than my current PSU, for $140 more. Not a very smart purchase.
post #12 of 15
Quote:
Originally Posted by Apolladan View Post

.5 more A on the 12v rail than my current PSU, for $140 more. Not a very smart purchase.

You get much higher and better efficiency you would not only waste less power which would you would see on your power bill

You would also make much less heat as well as noise
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Seravee
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post #13 of 15
Just keep what you've got. Good Seasonic units are over provisioned by about 15-20%, and even if it's degraded to rated power or slightly less, it's still more than enough for a single 770 in a modestly power hungry system.

I run two OCed 7950s, an OCed 3939k, nine HDDs, and eight 140mm fans without issue on a Seasonic built Antec TPN 750w that is over three years old at this point and has been loaded to 80%+ of it's rated power for 20,000+ hours in ambients that average 30C. No issues during near 24/7 use.
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post #14 of 15
Quote:
Originally Posted by Apolladan View Post

.5 more A on the 12v rail than my current PSU, for $140 more. Not a very smart purchase.

You are essentially comparing an old midrange unit to a high-end premium unit. The Rosewill SilentNight 500w Platinum is superior to the Seasonic S12 output-wise as well, and it not just 0.5A either. Just like the Super Flower Golden Silent and the units that are base off of it, it can function as a 600w Gold unit with 50A on the +12v rail. It's also build better and perform better electrically.

The Capstone are also very quiet to my understanding, so if you don't want an expensive passive PSU, that may be a good option as well.
Edited by qwan456 - 6/2/13 at 10:45am
post #15 of 15
Thread Starter 
Quote:
Originally Posted by Blameless View Post

Just keep what you've got. Good Seasonic units are over provisioned by about 15-20%, and even if it's degraded to rated power or slightly less, it's still more than enough for a single 770 in a modestly power hungry system.

I run two OCed 7950s, an OCed 3939k, nine HDDs, and eight 140mm fans without issue on a Seasonic built Antec TPN 750w that is over three years old at this point and has been loaded to 80%+ of it's rated power for 20,000+ hours in ambients that average 30C. No issues during near 24/7 use.

I think I will.
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