CM 212+ is way better than TX3. if it doesnt fit, u can always leave the side panel open
tx3 can do a decent job if u dont overclock.
yes can leave side panel open, but i not prefered this
And yes im not a havy overcolcker, just play games on stock speed. Or little above stock speed.
When i play games my temp is about 62c, with TX3 can i drop temps on 40c, what you means?