An electronic apparatus includes a cabinet which includes a first face capable of being opened, a second face vertical relative to the first face, and a third face facing the second face, a first connector which is disposed over the second face inside the cabinet and a fitting face of which faces the third face, and a substrate unit which includes a second connector fitted with the first connector, a first edge included in the second connector, a second edge on an opposite side of the first edge, and an engaging part disposed on the second edge.