Computer crashing often

[thomasfam4]

My computer recently has been crashing and i have no idea why ill be in a middle of a league match or playing some random games ( and this only happens when i play games ) but my computer will just shut off like my key bored and mouse turn off then my computer or sometimes it my screen turns black and and i hear a really loud noise in my headset i open speccy and all my temps seem to be fine.

these are my specs
-AMD FX-8300
Vishera 32nm
-MSI 970 GAMING (MS-7693) (CPU 1)
-4096MB ATI Radeon RX 470 Graphics
-596GB Western Digital
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[vapour]

Are you OCing? If not, what psu and how old? My money is on PSU breaking down.