So my current Ultra 500w PSU should be fine to power 2 7800GT cards, 1-2GB of RAM, AMD64 3700+, and 3 HDs...right?
Id be careful using that PSU and having expensive equipment like that... OP buy the 500W Seasonic. Effecient, quiet, and a good price.
about the whole 12v rail thing. This is for oc standards. If you have a single 12v rail it should be rated at 36amps. If you have dual 12v rails each of them should be rated at 18amps.
Your comparing Amps to wattage? I believe this is incorrect. AMPS measure the amount of power is coming through not how much power there is. Also someone who said you dont need 26amps on the 12v and that you're only running 18amps, thats probably because you have a dual 12v which has a combined of 36amps.
If you are running Dual cards, buy an sli certified and you should be fine. You will see that almost all sli certified PSU's are dual 12v with at least 18amps each.
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Why take the chance that it might not be enough? Or it not be stable? If you are already convinced to use it, go ahead and try it. Potato28 and I wouldn't take the chance, but you might not have any problems.
What I've emboldened not only makes no sense, it's barely even english. Let's set the record straight. Ampere is the unit of current, not power. If you want to find out how much power it is, for DC circuits it's very simple. You multiply the current and voltage and you have the power. So when he says 12V x 26A = 312W, he is right.
Not to steal this post, but I just bought a Ultra X-Finity 500w (still a deal for $30 at RadioShack), My system is listed below.. Should it cover my bases? I don't really wanna go SLI because for 1 I dont have the money to waste and 2 I don't think it offers enough system performance...perhaps 2yrs down the road when I need a system upgrade It'd be a cheap option...
Your money (computer parts) is that dog. The chair is your ignorance.
It might give you 500w if you hose conditioned air into it, and it has super stable AC through a faraday with a regulated UPS. It has a similar chance of spontaneously polymorphing into the messiah.
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it's a $100 PSU and has good reviews, thank you very much 
lol. But I need a real answer, if it isn't a good one than I'll sell it on ebay for $80 and buy OCZ
lol. But I need a real answer, if it isn't a good one than I'll sell it on ebay for $80 and buy OCZ
- May 13, 2003
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Originally posted by: Yoshi911
it's a $100 PSU and has good reviews, thank you very much
I wasn't referring to you specifically... Just the idea of "what's the smallest PSU I can get away with"... The idea frightens me. My opinion for the Ultra, is that they have a bad enough of a rap that I wouldn't consider using them. That's just me though. My analogy for this thread: You don't get the smallest engine you can for your car; why would you use a power supply that is "just enough" for your computer?
For the guy who bought the Ultra X-Finity, it should power your system just fine, since the X-finity is a lot better than the old X-connect (still not the best, but better). I doubt it would actually supply 500 Watts, but your system won't draw that much anyway.
Hail The Brain Slug
Diamond Member
- Oct 10, 2005
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I also motion for the SeaSonic S12-600. It's a great PSU.
For the sake of the argument in this thread - I've been running a 7800 GTX, 3200+ at 2.8 GHz, 2 optical drives, 3 SATA drives, 1 Raptor and 4 120mm fans on a PSU with 17 amps on the +12v rail. Is that not enough proof that you don't need 26 amps to run a 7800 GT?
For the sake of the argument in this thread - I've been running a 7800 GTX, 3200+ at 2.8 GHz, 2 optical drives, 3 SATA drives, 1 Raptor and 4 120mm fans on a PSU with 17 amps on the +12v rail. Is that not enough proof that you don't need 26 amps to run a 7800 GT?
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I've had several disks drop out of a RAID 5 array because of the PSUs. That is the reason why I run dual power supplies (1 Seasonic 600w & 1 Seasonic 500w). I can never stress having a good PSU enough.
But Dude, You have a HUGE PC. Basically don't try to push more than %60-%70 of your Psu's quoted Watts? Would that be a fair principal to go by? (of course ommitting the crap $20-$50psu's pawned off on Ebay)
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PSUs operate more efficiently when they are at mid-range, yes. I'm merely stating my disagreeance with the "how many amps do I need for xxx, xx, xxx, and xx". Because it doesn't account for heating, or future upgrades, etc. Not to mention you have one key component providing electrical power to all of the other components in a system. So I would never use something to just get by, nor use a product or product line that might have a bad reputation. You know what I mean?
Boyo
Golden Member
- Feb 23, 2006
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The reviews that I read on the S12 Seasonic was that it was extremely loud, so that is why I avoided it. I know that it got top honors on this website and Tom's Hardware, but it was the noise factor that kept me away.
Am I wrong on this??? Otherwise that was the PSU I originally picked out. The reviews I read were on Newegg.....Anyone???
Am I wrong on this??? Otherwise that was the PSU I originally picked out. The reviews I read were on Newegg.....Anyone???
- May 13, 2003
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That's very surprising. When I was first installing the Seasonics into my machine, I was testing to make sure it worked with my mod (I have a simple switch to control the secondary PSU), and I didn't know it was running until I looked at it, and see the fan moving. I was amazed.
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