Question about PSU

Goden Nox

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Sep 5, 2015
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I am gonna build a budget system based on the new amd a10 7870k apu
To cut down costs, i am gonna use a case that comes with a 450w psu already
I found no information about the psu
Now i have 2 questions:
1- considering the apu's low power requirements, a cheap new 450w psu should theoretically work right ? I am not planning on adding a gpu yet,and when i do that, i will add a psu first
2- the case says the psu's format is "mATX" however, i have never heard of that term... I am wondering: is a mATX psu the same as a SFX one ?
Thank you for all the support ^-^
 

Red robin

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Apr 7, 2015
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1. Please can you tell me where the case psu combo is from. Most of these combos come with really bad generic psus that aren't reliable and can be dangerous.
I recommend you to get a cheap case - bitfenix news or prodigy - and a reliable psu- an xfx 550w are the cheapest and most reliable psu I know of.
2. Matx means that the psu is basically smaller
 

Red robin

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Apr 7, 2015
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Ok. So:
1: I haven't heard of them before but I did some research and there cases look quite badass. But, just try to get some information about them.
2: nope it isn't. Matx and Sfx are kinder the same. Its just that matx measures at 125x63x100mm whilst Sfx measures at 100x125x63. So matx is a bit bigger than Sfx.
Overall, try not to cheap out on your psu and go for the safe option- a xfx, sea sonic psu