Plug-in mobile peripheral component interconnect express module connector

A plug-in mobile peripheral component interconnect express module connector, comprising a plastic body, and a first terminal set and a second terminal set which are disposed relatively in the plastic body, wherein the plastic body is provided with slots which are penetrated transversely, an upper end surface of the slots is provided intermittently with plural upper magazines, a lower end surface of the slots is provided intermittently with plural lower magazines, the first terminal set includes plural first elastic terminals which are inserted in the upper magazines, the second terminal set includes plural second elastic terminals which are inserted in the lower magazines, two ends of the first elastic terminal and the second elastic terminal are provided respectively with a first elastic arm and a second elastic arm, and the first elastic arm is disposed opposingly to the second elastic arm to form a holding gap, with a motherboard being inserted between the first elastic arms, and an MXM (Mobile Peripheral Component Interconnect Express Module) board being inserted between the second elastic arms.