256GB Memory Card with Zipper Case (Not a phone case) - Transcend High Speed MicroSD Class A1 U3 MicroSDXC Compatible for Samsung Galaxy S10 5G,Note 9,8,4,3,2,10,Plus,Tab A 8.0 (2019),J7 - P5K -
Amazon.com: SanDisk Extreme 512GB Micro SD Card for Phone Works with Samsung Galaxy S20 Ultra 5G, S20, S20+, S10+, S10e, S10 Class 10 (SDSQXA1-512G-GN6MN) Bundle with 1 Everything But Stromboli Memory Card
Amazon.com: SanDisk 128GB SDXC Micro Ultra Memory Card Bundle Works with Samsung Galaxy S10, S10+, S10e Phone Class 10 (SDSQUAR-128G-GN6MN) Plus (1) Everything But Stromboli (TM) Combo Card Reader : Electronics
Best microSD cards for the Samsung Galaxy S10 family of smartphones
Samsung Galaxy S10 Lite Micro SD Card Adapter
PSA: The 5G Galaxy S10 does not have a microSD slot - SamMobile
For Samsung Galaxy S10 S10 Plus S10+ S10e S10 Lite Sim Card Reader Tray Micro Sd Memory Card Holder Slot Flex Cable Repair Parts - Mobile Phone Flex Cables - AliExpress
Phone SIM Card Tray For Samsung S10 Plus G975F G973F G973 Galaxy S10+ G975 Original Housing New Micro SD Card Adapter Holder - AliExpress