Description: 3D printer parts SD expansion module connecting cable It can be connected independently to solve the problem of changing the installation position of the SD card slot of the machine because of the fixing of the main board. Also, U disk can handle this by lengthening USB. 3D printer SD external card slot 2.8-inch Suitable for 3D Printer Brand new and high quality Specification: Color: Black Material: PCB Size: approx. 4.5*4.7*0.5 cm Package Includes: 5x 3D Printer Card Module for SD Card 5x Cable