QNAP Dual M.2 22110/2280 SATA SSD expansion card (PCIe Gen2 x 4), Low-profile bracket pre-loaded, Low-profile flat and Full-height are bundled. SSD not included. TS-531P, TS-531X, TS-831X, TS-1635, TS-x31XU, TS-x53B, TS-563, TVS-x63, TS-x63U, TS-x73U,TS-x70, TS-x70U, TVS-x71, TVS-x71U, TVS-x82(T)