In summary, the MM70 series is a MXM3.0 compatible connector and has a mating area of 0.5 mm pitch, with a two-layer top and bottom contact structure. There are two types available, one with a 3 mm height between the main board and the bottom of the module board, the other has a 1.5 mm height between the main board and the bottom of the module board. The MM70 series has a precise positioning stopper for the MXM3.0 module that prevents the contacts from failing.