Im only answering the question here, no need to rip my headoff because everyone cant read. He asked a simple couple of questions. One of which asking if they even made 250 watt PSUs and what they were even used for. Thus i answered witht he email build. You dont always need a super humoungous PSU. Yeah if you want to blow the money to make your computer sound better, than whatever but most people dont, they want what they need for what they need it for. And thus the reason for having 250 PSUs, cause not everyone in this world games.
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Okay, do they not make 250 Watt power supplies because even the most minimalist PC needs more then that, or because they feel their's no profit margion for PSU's that 'small'? Do PSU's that small have problems with stability? Do modern PC's draw more power then that naturally? What is it? Why is it you need more then 250Watts? Tell me more then just "I say so".
and as for the whole argument of
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not enough for a system to run WoW decently.
he didnt ask that as you can see from the quote above. THOSE are the questions im answering, not answering the whole thread, which if you read page 1, I already did.
And yes crap PSUs dont work very well, just like everything else on this planet. But you buy the PSU for what you are going to use it for. You want a performance computer, you want a performance PSU. You want a basic non performance computer, nothing more, you dont need a performance PSU. Thats why they make cheaper PSUs, not everyone who uses computers in this world use them for gaming. Some just like email and chat.
As ive explained before, wattage isnt everything in a PSU. "Oh i have 400 watts and doing all the math thats all I need" your wrong. Check the amps on your 12v rail. Not enough amps, not enough power, causing your PSU to either fail, or work too hard and blow.
And if you say "Oh i have 2 12v rails, i get to add the amps together" Err, wrong again. Check which cables are coming from which rail, you plug everything into one rail, your still only getting the amps from that rail, split them between the two, then you go by how many amps each component takes and see if you have enough.