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My computer does not work currently, and I assume it's because I need a new PSU (It's been having problems ever since I installed my new video card, and it's recommended 20A on the 12V rail, mine only has 15A). So, I'm looking at a new PSU. I think this is the one I want, but if anyone can find one with more then 20A on the 12V, good reviews, and better price, I'm all ears. Thanks
Last edited by Josh on Sun Mar 19, 2006 7:55 pm; edited 1 time in total
That Rosewill PSU is pure garbage. The PSU is the single most important and overlooked component in a PC. Don't skimp on it.
No KT266A motherboard has a 4-pin +12V P4 connector. Because of this, the CPU's core voltage is regulated off of the power supplys +5v rail as opposed to the +12v rail. Because of this you should not buy a supply with dual +12v rails (the second rail would not be usable, leaving you with the little thats left on the other rail), nor should you buy one with more amperage on the +12v then the +5v. Doing so would increase the risk for cross-loading issues.
Something with a decent combined 3.3v+5v rating is best. Your system does not draw much power at all and does not need 20A on the +12v rail. I would suggest something like a Fortron FSP400-60PN or FSP350-60PN. Both of those are great supplys, are cheap and more then enough to power your system.
Last edited by KoolDrew on Mon Mar 20, 2006 10:49 am; edited 1 time in total
This ModStream is the only PSU that is decent, near your budget, and has above 20A on a single +12V rail. However, the voltage on the +5V rail is much higher than that which runs through the +12V rail.
Last edited by Predator on Sun Mar 19, 2006 11:15 pm; edited 1 time in total
Contributed by Predator, Guest 510 iVirtua Loyalty Points • • • Back to Top
KD, Why is that Rosewill garbage? It looks good to me. It also meets all the guidelines that you suggested. No, my current setup doesn't need it. But, I've got a S939 rig that I'm putting together, with an ECS APG/PCI-E mobo (don't laugh), and a A64 3700. That will need it.
Predator, do you have a link?
Last edited by Josh on Tue Mar 21, 2006 9:48 pm; edited 1 time in total
Most of the Rosewill I have seen are either Powmax or ATNG made. If you could find a better picture of the PSU's label so I could read the UL file number, I could tell you who made it. However, either way, I you shouldn't bother with them. Somebody would have to pay me to put a Powmax in my rig. Don't even bother with the Modstream either. It's not nearly as bad, but not in the same class as a Fortron or the OCZ Powerstream. It lacks independant regulation, cross-load tolerance, and has fairly limited 12V output.
There are a few PSU's that I would recommend to power a +5v oriented rig and then power a +12v hungry rig later, but they will cost a bit. The Silverstone Zeus ST56ZF, PC Power and Cooling 510W, Zippy HP2-6460P or Zippy HP2-6500P will do the job.
The Zippy 460W will likely be the cheapest of those if you can find it (servercase.com sells Zippy), but neither Zippy unit will be very silence oriented. The Silverstone will be the quietest of them, but it is a bit expensive.
Last edited by KoolDrew on Wed Mar 22, 2006 2:05 pm; edited 1 time in total
That Antec has dual +12v rails. You wouldn't even be able to use the second rail and it could cause problems.
Get the Zippy HP2-6460P. It is the cheapest option I would recommend for powering a +5v oriented rig and then switching to a +12v power hungry rig later.
Why can't I use both rails? Since my card has a place for an external power connector, I should be able to. One for the card, and one for the other stuff. I know that having 2x 19A isn't as good as 1x 38A, but it's alot better then just 1x 19A. btw, I've decided this will just be for my S939 rig, as I'll have all the parts to get it going. And today, I got my comp working again, so I should be ok for a little while till I get the new psu and all the other parts for my S939 comp.
Last edited by Josh on Sun Mar 26, 2006 12:50 pm; edited 1 time in total
The KT266A does not have a 4-pin +12V P4 connector. That;s why the second rail will not be able to be used. CPU is supposed to be on one rail and the rest on the other.
Quote:
I know that having 2x 19A isn't as good as 1x 38A, but it's alot better then just 1x 19A.
Using it with your current system you would only get +12v@19A
Quote:
btw, I've decided this will just be for my S939 rig, as I'll have all the parts to get it going. And today, I got my comp working again, so I should be ok for a little while till I get the new psu and all the other parts for my S939 comp.
Then that changes everything. Get a Fortron AX500-A. It is around $70 (don't buy it from newegg, they charge like $90).
So, where should I get it for $70? What about this one? I know Aspire isn't one of the best, but this one looks good, 35A on the 12V rail, and good reviews. And also, I can get one for like $45
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