Power Supply 12V1 12V2 Retail,what is it

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AlexIpsia

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#1 AlexIpsia
Member since 2009 • 30 Posts

i have one question !!! my power supply have 12V1 16Amper 12V2 16Amper ,my power supply have 32Amper ???? or??

Sorry my bad english!

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FantasyShooter7

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#2 FantasyShooter7
Member since 2007 • 118 Posts
Hi It looks like you have a dual 12volt rail power supply. Each rail has 16 AMPs, so technically you have 32 Amps. However i've heard this is not the case. The combined rail amp is about 29 or 30 Amps.
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domke13

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#3 domke13
Member since 2006 • 2891 Posts
16A is the max one 12V rail can output. Actual combined Amperage is total Power on 12V rails divided by 12V. I=P/V
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teddyrob

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#4 teddyrob
Member since 2004 • 4557 Posts

16A is the max one 12V rail can output. Actual combined Amperage is total Power on 12V rails divided by 12V. I=P/Vdomke13

That's right so if the total power of the rails is stated as 384Watts for both rails. Then the Amps is 32. If it is 360Watts for both rails then the answer is 30amps. The Power is normally stated on the side of the PSU.

Then it may be stated like this. 481.5Watts across both rails and the 3.3 and 5V rails so if the 3.3 and 5 V are maxed out you would subtract from the 481.5-152=329.5 giving amps of 27.45 across the 2 12V rails. Of course if the 3.3 and 5V are not maxed then this would give the +12V a little more juice than that.

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AlexIpsia

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#5 AlexIpsia
Member since 2009 • 30 Posts
Thanks,i have Ati Saphire 3870 512 GDDR4,i have that powersupply..is enough for this video card my power supply ??
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FantasyShooter7

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#6 FantasyShooter7
Member since 2007 • 118 Posts
should be adequate.