I have three.HEEERE we go.
PS1, PS2, PS3, PS4, PSP, PSVita, PSTV, GBA SP, DS Lite, DSi, 2DS, n3DSXL, Wii, Wii U, Xbox 360, Xbox One.
So 16 in total.
(Jeez, some people here have 20+ consoles.. I feel bad now)
FEEL MY PAIN. xD
**four if you count the bricked 3ds. Which I don't.