Is the gtx 650 and the gtx 465 compatible?

[ObsidianDrone]

Have two 465's and one 650 wondering if I can use one of each in the same computer.

Parts List: http://pcpartpicker.com/user/ObsidianDrone/saved/VB7Ff7

Also if you had any suggestions on my build tell me, thanks!

 

[LucaFire]

I'm pretty sure that only cards of the same type can be SLI together.