mr skits

hi everyone i want to use egpu with my dell inspiron n5110 because i only have intel hd 3000 and it is so slow but before i buy an EXP GDC and a graphic card and power supply i want to make sure everything will work fine and i have some questions i want an answer to them 1- i want to pair my laptop with gtx 750 or 750ti and i have mini pci port for internal wifi is if fast enough for gtx 750ti ? 2- i do not have external monitor so may only option to use laptop monitor is it passable ? 3- here so picture a about my pci port i did not understand