Samsung Galaxy S9 / S9 Plus SIM Card & Micro SD How to Insert or Remove - YouTube
The Best Micro SD Cards for Your Galaxy S9 « Android :: Gadget Hacks
Galaxy S9 - Insert a microSD Card or Remove it (SM-G960W) | Samsung Canada
SanDisk 128GB Ultra Micro SD SDXC UHS-I Class 10 works with Samsung Galaxy S9 Memory Card S9+, S9 Plus (SDSQUAR-128G-GN6MN) with Everything But Stromboli (TM) Card Reader (Class 10 128GB)