I need help with my current build

Im want to upgrade my build I currently have Motherboard: asrock b460m steelegend GPU: sapphire rx470 4gb Cpu: intel core i5 10400f Power supply: 700w (dont know the model) 2 x 8 gb ram 3222hz I want to get a new budget gpu i was looking at rx 3050 8gb second hand with a warranty i dont know if its gonna fit on my build I have 400lv (200usd) budget