Psu wattage help Tags: Power Supplies Components Last response: April 10, 2011 11:21 PM in Components Share proton9 April 10, 2011 10:30:18 PM my cheapo psu has 1 12v rail at 20A, - 12v at 0.8A, 3.3v at 25A, 5v at 25A and 5vsb at 2A what is its wattage then, is it near about 450? More about : psu wattage delluser1 a c 243 ) Power supply April 10, 2011 10:35:03 PM It should tell you on the label where you got the rest of the info. No way anyone could tell from those numbers. m 0 l proton9 April 10, 2011 10:36:56 PM theres nothing on the label except those ratings m 0 l Related resources Help deciding on a psu wattage - Forum Help with PSU wattage decisions - Forum Help with PSU wattage - Forum Need Help With PSU Wattage Choice - Forum PSU Wattage Help - Forum Can't find your answer ? Ask ! Get the answer delluser1 a c 243 ) Power supply April 10, 2011 10:37:35 PM Get rid of it. m 0 l proton9 April 10, 2011 11:07:33 PM got my answer http://www.pcguide.com/ref/power/sup/output.htm m 0 l delluser1 a c 243 ) Power supply April 10, 2011 11:21:10 PM proton9 said:got my answer http://www.pcguide.com/ref/power/sup/output.htm I'm going to take a guess and say that you looked into the math on the 2nd page, if so use it on these numbers +12v = 18a +5v = 22a +3.3v = 13a +5vsb = 2a -12v = .3a +5v and +3.3v = 140 watts I'll come back to see what that adds up to. m 0 l Can't find your answer ? Ask ! Publish Related resources SolvedPSU Wattage help Forum SolvedHelp deciding PSU wattage!? Forum SolvedFuture Gaming Desktop. Reccommended PSU wattage? Help on SSDs and Cable sleeving Forum SolvedNEED HELP - PSU Wattage Forum SolvedPSU Wattage Help Forum SolvedPSU wattage help? Forum SolvedNeed help with PSU and wattage. Forum SolvedPC won't boot with higher wattage PSU... but will with a lower one. Help? Forum SolvedPSU Wattage Help Forum SolvedHelp to Decide PSU Wattage for Gaming PC Forum SolvedNeed Help figuring out what wattage psu i need? Forum Solvedneed advice on psu wattage. help please. Forum SolvedPartspicker vs Newegg wattage is confusing my decision on PSU. Check this setup and HELP please!! Forum SolvedHelp on PSU wattage! Forum SolvedNeed help in choosing the psu of right wattage. Please help me. Forum More resources Read discussions in other Components categories Power supplies Sound cards NICs Akasa Antec Cooler Master Cougar DeepCool Enermax !