R9 270x, will it fit my case and is my PSU enough

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Dec 31, 2014
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I am planning to upgrade my GPU because my computer only has an integrated one. I was planning to get a R9 270x and I was wondering if it will fit my case.
Here is a link to my computer specs: http://www.cnet.com/products/acer-aspire-m3300-e1222-athlon-ii-x4-620-2-6-ghz-4-gb-750-gb/specs/

In regards to the PSU, I have upgraded it to an EVGA 500W 80+ Certified ATX Power Supply and I was also wondering if this PSU is good enough to handle the graphics card. I don't plan to overclock the GPU.