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Best HTPC PSU - 430-560 watts

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February 18, 2011 7:39:53 PM

I am building a mid-range, mATX HTPC system with the following components:

- Antec Fusion case
- Athlon X4 630 with stock fan
- Gigabyte mATX with Raden 4290 onboard Video card
- OCZ SSD
- WD 1TB HDD
- 4 GB DDR1333
- Asus Bluray
- FUTURE upgrade to ATI 5500 video card

So, looking for a good PSU to ensure it has enough power, and yet is quiet in the audio rack. I think I don't really need anything more than 430 watts, but if I do, please let me know.

Was thinking of Seasonic, but they're a bit more $$ than Antec, OCZ, Corsair for 430-500 watts PSU... however Seasonic has much better reviews overall and whils other PSUs get mixed review on noise, Seasonic gets very positive...

Any feedback is appreciated!

More about : htpc psu 430 560 watts

February 18, 2011 8:17:41 PM

It doesn't matter what the rated output of the model is but rather how many watts are on the '+12v' rail(s). A good 380w there will do nicely, at load too of-course.
Look for 80+ certification, they're generally the quieter ones. Having a 140mm fan isn't a necessity either (80mm fans are quieter). Don't get an Antec Basiq either, although it's one of the top-5 brands, that product-line has a bad reputation.

What's your budget?


Here's a good Seasonic for $70.
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
S12-II (520w) @ 480w effective

I have Antec's version of this myself but with the 140mm fan and it's brilliantly efficient/quiet. Powerful too!
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a b ) Power supply
February 18, 2011 8:42:52 PM

seasonic X-560
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a b ) Power supply
February 19, 2011 4:12:49 AM

I generally recommend Seasonic PSUs or PSUs made by Seasonic for other brand names.

A Seasonic 330w - 380w PSUs are enough for your build and are not too expensive. I have a 5 year old Seasonic S12 500w in my HTPC, it is pretty quiet. In fact, I hear my other quiet fans over the PSU fan.
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