SD Card Reader with USB Port for Samsung Galaxy S20 Ultra
Amazon.com: Samsung 32GB Micro SDHC EVO+ Plus Memory Card for Samsung Phone Works with Galaxy S20, S20+, S20 Ultra 5G, S10 Lite Phone (MB-MC32GA) Bundle with (1) Everything But Stromboli MicroSD Card
Samsung Galaxy S20 Ultra - Full phone specifications
Amazon.com: Samsung Pro Plus 256GB MicroSD Class 10 UHS-I Memory Card for Samsung Galaxy S20 FE 5G, S20 Ultra, S20, S20+, S10, S9 Phone - MB-MD256KA Bundle with Everything But Stromboli Micro
Samsung Galaxy S20 / S20+ / S20 Ultra 5G How to Insert or Remove SIM Card & Micro SD - YouTube
How to Insert SIM Card & SD Card in Samsung Galaxy S20 & S20+ - YouTube