Many node serve ware expansion card dynamic allocation device

The utility model belongs to the technical field of computer and cloud calculate, a many node serve ware expansion card dynamic allocation device is provided, the utility model discloses an includingcontrol module, multiplexing switch module, a PCIE passageway, the 2nd PCIE passageway and reserve network card, when control module sends a control signal to multiplexing switch module, a multiplexing switch module control PCIE passageway and reserve network card intercommunication, when control module sends the 2nd control signal to multiplexing switch module, the 2nd PCIE passageway of multiplexing switch module control and reserve network card intercommunication, wherein, a PCIE passageway belongs to a node serve ware, the 2nd PCIE passageway belongs to the 2nd node serve ware, because a node serve ware or the 2nd node serve ware can be given by dynamic allocation to reserve network card, so reduced the complete machine cost of multinode high density server. 本实用新型属于计算机以及云计算技术领域，提供了种多节点服务器扩展卡动态分配装置；本实用新型通过包括控制模