Best MicroSD Cards: MicroSD Card Reviews - Tech Advisor
SanDisk Extreme PRO 32GB microSDHC Class 10 4K Memory Card #SDSDQXP-032G-G46A - Walmart.com
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