Inspiron N4030 M370 max ram and sdd

Hello guys. 

I recently bought this used laptop. It only function will be be conected to a cnc machine to engrave leather.

It has a 300 gb hdd and 4 gb ram. I need to upgrade this.

Which is the max ram that i can put in N4030 ? In how many slots?

Can i place 2 drives? One hdd and 1 solid?

Thanks a lot.