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Enough power??

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Old 02-14-06, 06:44 PM Thread Starter   #1
AFG34
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Enough power??


antec SP II 450 WATT for these parts:
amd opteron 165 or X2 3800
X800GTO2
corsair xms 1 gb
DFI ultra D
WE 250gb HD
LG dvd burner

is it enough?
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Old 02-14-06, 07:32 PM   #2
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It should be enough, but you could get more 12v power, better build quality, and more stable Fortron AX450-PN. It also happens to be cheaper.
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Old 02-14-06, 07:45 PM   #3
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It's fine.

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Old 02-14-06, 08:16 PM   #4
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Quote:
Originally Posted by LordDarik
It should be enough, but you could get more 12v power, better build quality, and more stable Fortron AX450-PN. It also happens to be cheaper.
I haven't tried the AX450-PN but I do have a P4 630 machine running at 4GHz off a SP2-450. Honestly, I don't expect the AX450 is even as good, much less better. Assuming you don't overwhelm modern Antecs' (quiet) cooling they prove very good supplies. I have a hard time imagining a machine that an AX500-A could drive that the SP2-450 could not. Unless the AX450 will drive heavier loads than does the AX500-A, I can't see where it could provide an advantage over the SP2-450.

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Old 02-14-06, 08:37 PM   #5
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Quote:
Originally Posted by larva
I haven't tried the AX450-PN but I do have a P4 630 machine running at 4GHz off a SP2-450. Honestly, I don't expect the AX450 is even as good, much less better. Assuming you don't overwhelm modern Antecs' (quiet) cooling they prove very good supplies. I have a hard time imagining a machine that an AX500-A could drive that the SP2-450 could not. Unless the AX450 will drive heavier loads than does the AX500-A, I can't see where it could provide an advantage over the SP2-450.
I guess I'm in a similar situation as you, I have had no experience with the SP2-450 (But I have used the 400w model, wasn't very impresed either) and have a friend running a AMD 64 3000+ @ 2.7ghz and a 9800XT on an AX450, in fact he recommended me one for my current computer. But I beleive the poster just wants something to run his system any way, correct me if I'm wrong. In that case the AX450-PN would be a cheaper alternative that will run his computer nicely.
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Old 02-14-06, 08:50 PM   #6
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Quote:
Originally Posted by LordDarik
In that case the AX450-PN would be a cheaper alternative that will run his computer nicely.
Not that I expect you to know this but the OP was asking in another section of this forum about the Sonata II, which comes with this PSU. I gathered from that thread, that SP 2.0 450w PSU is the one that comes with the Sonata II and that's why the questions regarding it.

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Old 02-14-06, 09:10 PM   #7
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Quote:
Originally Posted by LordDarik
I guess I'm in a similar situation as you, I have had no experience with the SP2-450 (But I have used the 400w model, wasn't very impresed either) and have a friend running a AMD 64 3000+ @ 2.7ghz and a 9800XT on an AX450, in fact he recommended me one for my current computer. But I beleive the poster just wants something to run his system any way, correct me if I'm wrong. In that case the AX450-PN would be a cheaper alternative that will run his computer nicely.
I never said an AX450-PN wouldn't run it. But this was not a "what supply should I buy" thread, but rather a pointed question regarding the SP2-450's characteristics.

But if you desire to debate the relative merits of the two, bear in mind that a P4-630 at 4GHz draws roughly twice the power than does an A64 3000+ at any possible clock. AMD cpus have an enormous advantage in terms of power consumption and heat production, so it is when you try a particular supply on an Intel rig that you really learn about its 12V capacity. By that measure, the SP2-450 is rather impressive in my experience and that is the answer I will give regardless of how impressed I (or others) may be with the FSP alternatives.

I like FSP a lot, but I really feel the AX500-A (actually 460W rated) is more the natural competitor for the SP2-450, making the SP2 somewhat of a bargain. Throw in the fact that you get one for 99 bones in the very spiffy SonataII case, and you have far and away the least expensive case/PS that a self-respecting OCer is going to aspire to. The AX450 brings substantially varying sustained and "peak" 12V power figures that hint at a lesser actual capacity and load-driving ability than the SP2-450 or AX500-A. In the end if you pay attention to one number alone, let it be the price. When FSP charges 80+ bucks for the AX500-A and rates it at 460W you have to suspect there are real limitations to the unit they will sell you for $49, regardless the other numbers associated with the device.

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Sound SoundBastid Live Case AMS gTower PS TPII-480----------------------------------Sound Integrated audio Case Antec SLK1650 PS SP2-350
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Old 02-14-06, 09:28 PM   #8
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Quote:
Originally Posted by larva
I never said an AX450-PN wouldn't run it. But this was not a "what supply should I buy" thread, but rather a pointed question regarding the SP2-450's characteristics.

But if you desire to debate the relative merits of the two, bear in mind that a P4-630 at 4GHz draws roughly twice the power than does an A64 3000+ at any possible clock. AMD cpus have an enormous advantage in terms of power consumption and heat production, so it is when you try a particular supply on an Intel rig that you really learn about its 12V capacity. By that measure, the SP2-450 is rather impressive in my experience and that is the answer I will give regardless of how impressed I (or others) may be with the FSP alternatives.

I like FSP a lot, but I really feel the AX500-A (actually 460W rated) is more the natural competitor for the SP2-450, making the SP2 somewhat of a bargain. Throw in the fact that you get one for 99 bones in the very spiffy SonataII case, and you have far and away the least expensive case/PS that a self-respecting OCer is going to aspire to. The AX450 brings substantially varying sustained and "peak" 12V power figures that hint at a lesser actual capacity and load-driving ability than the SP2-450 or AX500-A. In the end if you pay attention to one number alone, let it be the price. When FSP charges 80+ bucks for the AX500-A and rates it at 460W you have to suspect there are real limitations to the unit they will sell you for $49, regardless the other numbers associated with the device.
Point taken on the power draw, but I have to disagree on the comparison of the Antec 450 and the Bluestorm. I don't beleive that the AX500 was built to be a power house, I doubt it is even too much more powerful than the AX450 (If at all). I think that extra price comes in from the aesthetics, I never really did like that Fortron did that. They think they can color their PSU's blue, sleeve the cables, and call it a 500w. It's one of the few things I think Fortron did wrong, alot of people will disagree with me though.

In my eyes the AX450 is the AX500 lite.
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Old 02-14-06, 09:38 PM   #9
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It's much like how Enermax has different numbers in their model numbers which lead you to believe that the model number contains the actual wattage output in there as well

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