dual psu?

Bob Jeffery

Bob Jeffery

New Member
OK the psu I have in my computer is only 300watt....would it work to like make a hole in teh case and have another psu plugged in to run everything you plug in and use the 300 watt on for the cpu and graphics card?????
 
well i dont have much knowledge with psu, but im pretty sure if the power cord is plugged into the 2nd psu it will work, and be awfully dangerous. why not jst go and buy a psu with more then 300watts?
 
no that will not work i think. the PSU is turned by having the main 20/24 pin connected to the motherboard. the PSU powers on by having the power switch on the case pressed. since you motherboard does not have two 20/24 power pin, you cant turn on the other PSU
 
WhiteFireDragon said:
no that will not work i think. the PSU is turned by having the main 20/24 pin connected to the motherboard. the PSU powers on by having the power switch on the case pressed. since you motherboard does not have two 20/24 power pin, you cant turn on the other PSU
Click to expand...
You can "jump" the PSU by connecting two ping together, and that will power the unit. However it can be dangerous to run a PSU without much load on it, as the components inside a PSU are designed to be run with load, so if theres none then it will convert all the unused power to heat, which may damage the power supply.

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It's quite possible - you'll need to use a dual PSU adapter such as http://www.ultraproducts.com/product_details.php?cPath=12&pPath=584&productID=584 (or you can make your own). There are also potential rail distribution issues involved, depending on how you intend to split the load over the two PSUs.

Honestly, I wouldn't do it, though. By the time you factor in the cost of the adapter, you'd be better off to just get a new, bigger PSU - it's safer and much easier.
 
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