Upgrading my old PC

[Gandalf2111]

Hello i dont know how i should start so i make it fast.

I wanted to upgrade my PC but I dont know which Powersupply I should take. I want an new Graphics card (R9 380 2 gb) but im pretty sure my unamed Power supply dosent support it...

So ill just write my Hardware in here because im a bit scared wehn I do this on my own so here i go:

My mainboard is an AsRock FM2A78M-HD+ 

And my Hard Drive is an barracuda 7200.12 1tb

I got no SSD or anything just these things.

If you need my case its one from Shinobee ... (pls no hate) 

 

Thanks for those who help me D:

[Barros]

What's your cpu?

[Gandalf2111]

Amd 8-66k APU with amd hd graphics 3.90GHz

[Rev:)]

a corsair 750 m will do the trick maybe something a little smaller will do it.

 

[Gandalf2111]

 

.