SanDisk 32GB microSDHC Memory Card, Class 4 with SD Adapter SDSDQM-032G-B35A
Amazon.com: SanDisk 32GB Ultra Micro SD SDHC UHS-I Class 10 Memory Card (SDSQUAR-032G-GN6MN) works with Samsung Galaxy S9, S9+, S9 Plus with Everything But Stromboli (TM) Card Reader : Electronics