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Replacing a dell psu HELP!

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February 27, 2012 7:42:50 PM

i have a new dell inspiron 580 tower, and want to replace the power supply because it is only 300W and that wont run a good graphics card. Does anyone know what a compatible psu would be? i dont want to buy one and then not have it fit! Thank you!

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February 27, 2012 9:16:21 PM

jodom6 said:
i have a new dell inspiron 580 tower, and want to replace the power supply because it is only 300W and that wont run a good graphics card. Does anyone know what a compatible psu would be? i dont want to buy one and then not have it fit! Thank you!


If you have the tower version and NOT the skinnier thin version, then it is probably ATX form factor. In that case any ATX PSU will work. I suggest the Corsair brand. Depending on your system and future uses I always suggest TX650 model, but most likely you will only need 550W or less. The TX650 model, http://www.newegg.com/Product/Product.aspx?Item=N82E168... , is fairly cheap though for what you get. 5 bucks more you can get a 750W too.

If you want to spring for modular you can get that version for 20 bucks more.

IF this helps, give me a thumbs up.
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February 27, 2012 10:23:15 PM

Once upon a time, Dell motherboards used to have proprietary ATX power connector, requiring custom PSUs. Check your current power supply' pin layout, and compare it to standard ATX power (you can find that e.g. http://pinouts.ru/Power/atx_v2_pinout.shtml). I did replace the power supply of similar desktop (XPS 435MT) with off-the-shelf one a while ago, after doing these checks.
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March 7, 2012 10:28:38 PM

Best answer selected by jodom6.
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March 7, 2012 11:18:27 PM

Thanks for the best answer vote. My first one! Rack up some street cred here at Tom's Hardware!
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