Graphics Card and PSU compatibility...

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AzoraFred

AzoraFred

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Apr 19, 2015
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Well I have gotten help with my graphics card, the PSU I have now is a 330w PSU. I need to get a 550w one for my computer now, it looks as though the fan is facing out towards the back where the plug goes in. The fan on the one I'm wanting to buy looks as though the fan points up. Will this be a problem? Will I need to find one thatr faces outward? If so please someone help me! I have an ASUS M32 A, please leave any links to one that will work. Please don't suggest buying any other graphics cards. This is the PSU I'm looking at will it work? Link: http://www.asus.com/Power_Supply/P55GA/ Also this one looks promising http://www.amazon.com/EVGA-80PLUS-Certified-ATX12V-100-W1-0500-KR/dp/B00H33SFJU

Thanks guys!
 
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maxalge

maxalge

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May 31, 2012
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go with the evga one.

But if you specifically want 550w go with a XFX model. Seasonic made great quality.

You can point the power supply up or down, doesn't matter as long as there is clearance for air flow to the fan.

Air gets sucked in from the "top" fan and blown out the back.
 
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nottheking

nottheking

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Jan 5, 2006
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Actually, that fan isn't facing "up," it goes on the bottom: easy way to tell is look at the placement of the screw-holes. On an ATX (Read: standard desktop) case and PSU design, you have four screws to attach the PSU. The top pair is spaced CLOSER than the bottom pair. In that image, you can clearly see the narrower (closer-spaced) row is on the bottom: so that means that, if you have a case where the power supply is located at the TOP of it, it'll be arranged so that the big fan you see will be facing DOWN. (conversely, a lot of newer cases place the PSU on the bottom, and will have this inverted, so such a fan will face up; it's likely with those cases in mind the image was made)

To go into a bit more detail, it's a bit of a newer setup than the older late 90s/early 2000s method that had entirely horizontal airflow through the PSU, and tends to work out better, ESPECIALLY in a lot of cases where the space directly in front of the PSU would be obstructed.

As for what would work best... Well, that'd depend on what sort of hardware you were running with it: the listed requirements on a card are mostly a blanket recommendation, that often aren't best-tailored to what your system has. Though I will note than an 80-PLUS certification tends to speak well of a PSU, as it means it actually passed some real benchmarks, and can be relied upon to be more efficient than most models out there... But do be careful: a number of manufacturers have been known to FAKE such claims, thereby making their units counterfeits. I always recommend double-checking with a database that records all the certification document, like at Plug Load Solutions. (though the eVGA unit is legit)
 
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