Patent ID: 8908369

Claim:
A memory combination, comprising: a first riser board comprising a plurality of first memory sockets, wherein long axis directions of the first memory sockets are parallel to each other; a second riser board comprising a plurality of second memory sockets, wherein long axis directions of the second memory sockets are parallel to each other; and a pivotal plate, wherein two ends of the pivotal plate are pivotally connected to the first riser board and the second riser board based on an axial direction respectively, and when the first riser board and the second riser board rotate relative to the pivotal plate to be perpendicular to the pivotal plate, the first memory sockets face the second riser board, and the second memory sockets face the first riser board, wherein the axial direction is perpendicular to the long axis directions of the first memory sockets and the long axis directions of the second memory sockets.