M.2 storage structure for front window of case and high-density storage server

The utility model relates to the technical field of server storage. The utility model provides an M.2 storage structure for a front window of a case and a high-density storage server. The M.2 storagestructure for the front window of the case comprises a board card used for bearing an M.2 storage hard disk, the board card is provided with a golden finger connector used for being in communication connection with an HDD backboard, the golden finger connector is arranged at one end of the board card, and the HDD backboard is in communication connection with a CPU; according to the golden finger connector, an SAS signal link is established between the M.2 storage hard disk and the CPU through the board card, so that more storage hard disks are arranged at the same front window position, the storage density of a server is improved, and the golden finger connector is simple to operate and convenient to maintain. 本实用新型涉及服务器存储技术领域，提供一种用于机箱前窗的M.2存储结构及高密度存储服务器，该用于机箱前窗的M.2存储结构包括一用于承载M.2存储硬盘的板卡，所述板卡上设有用于与HDD背板通讯连接的金手指连接器，