This is the standards but if u think u can make it better by breaking them go ahead
1. Good mobo for easy upgrading
2 . r7 265
That's all thank you in advance and good luck :)
Less good mobo, but ready right away. https://pcpartpicker.com/user/526christian/saved/#view=7D3p99
Better mobo, but weaker CPU for future upgrades: http://pcpartpicker.com/p/VdLG8d
One question is the stock heat sink on the i3 ok for no oc
You wouldn't be able to overclock an i3 anyway, so stock is great. Stock coolers are always made to be enough to keep the CPU at safe temperatures at stock speeds.