Amazon.com: Samsung Pro Plus 512GB MicroSDXC Memory Card for Samsung Phone Works with Galaxy S20 FE 5G, S20 Ultra, S20, S20+, S10, S9 Phone MB-MD512KA Bundle with Everything But Stromboli Micro SD
Amazon.com: Sandisk 64GB Extreme Pro 4K Memory Card works with Samsung Galaxy S9, S9+, S8, S8 Plus, Note 8, S7, S7 Edge - UHS-1 V30 Micro (SDSQXCG-064G-GN6MA) with Everything But Stromboli (TM)
Amazon.com: SanDisk 128GB Micro Extreme Memory Card works with Samsung Galaxy S9, S9 Plus, S8, S8+, S7, S7 Edge Cell Phones 4K Recording UHS-I (SDSQXAF-128G-GN6MA) with Everything But Stromboli (TM) Card Reader :
Original Dual Sim Card+Micro SD Holder Slot Tray for Samsung Galaxy S9 S9 Plus G960U G965U microSD Single SIM Card Tray|SIM Card Adapters| - AliExpress
Galaxy S9 - Insert a microSD Card or Remove it (SM-G960W) | Samsung Canada