SATA Adapter ROC-RK3568-PC needs SATA Adapter module when using the SATA storage device. The SATA Adapter fits all series mainboards of Firefly with FPC SATA interface, can be connected to 2.5'' or 3.5'' SSD/HDD, and it uses FPC ribbon cable, with aluminum foil shielding, minimizes signal interference Real figure SATA Adapter front SATA Adapter back ROC-RK3568-PC connect to SATA storage device Note: in order to prevent the situation from burning out, please turn off the power of the ROC-RK3568-PC first and then connect the SATA storage device