Amazon.com: SanDisk 256GB Ultra Micro SDXC Memory Card Works with Samsung Galaxy J3 (2018), J4, J6, J8, Amp Prime 3 Phone UHS-I Class 10 (SDSQUA4-256G-GN6MA) Bundle with Everything But Stromboli Card Reader :
Amazon.com: Samsung Evo Plus 128GB Micro SDXC Memory Card Class 10 Works with Samsung Galaxy Phones J2 Core, J3 (2018), J4 Core (MB-MC128KA) Bundle with (1) Everything But Stromboli MicroSD/SD Card Reader :