BlueDevilsrr

https://turbofuture.com/computers/X370-Ryzen-Motherboards

Also when buying a new board just check that it fits into the tower that you have 

Just remember that if you want to utilize the AMD processor you need to a decent amount of ram preferably 16 and also it needs to be fast so that you utilize the processor to it's full potential 

N I C E O NE

you can find cheap replacements for that PSU since 280 watts in 2018 will bottleneck your system pretty hard, here is the PSU tier list and generally considering your specs a tier 3-4 gpu is more than enough 
 

Ty