Should I get a new PC case?

Ryarwood99

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Oct 26, 2014
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I have a PC that I usually game on. I honestly broke a couple rules I'm sure in the process (it's my first time so cut me some slack). Any way to the point I basically stripped out an old computer like what you would buy prebuilt at best buy and used that as my case it has a rear fan spot and a partially grated side. Do I need a new case? If I do I want to spend the bare minimum

CPU: Intel 4790k
MoBo: AsRock z97 aniversary
Video: Sapphire Radeon r7 260x
PSU: XFX 550W
Two storage drives
(I know the 260x is bad combo with CPU, but it was on sale,and it was,so much more I figured buy the best now and don't upgrade later)
 
That's the case, that's the old motherboard I completely stripped out the case and started from scratch. So the AsRock is the one I use now... Thanks