hard23

I bought 2nd memory stick,but i cant put in because cpu coolers fan interferes.I put the fan on the other side right in front of the blower and now my cpu overheating in aida for 10 secs
I have asrock ab350m motherboard and deepcool gammaxx 300 cpu cooler.To insert the 2nd memory stick is not enough centimeters 7.What should i do?Buy new motherboard,find smallest cooler or buy Wraith Spire for 8$ in my city?

Hi guys,is there a big difference between 3200cl14 (190$) (90$) 
100$ difference (I can take on them new sneakers)