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
Just moved from a Note 9 to this. I couldn't be happier. : r/GalaxyS21
Best Buy: Samsung Galaxy S21 Ultra 5G 256GB (Unlocked) SM-G998UZKEXAA
Best Buy: Samsung Galaxy S21 Ultra 5G 128GB Phantom Black (Verizon) SM-G998UZKAVZW
Samsung Galaxy S21 5G Models – Microsoft Store
Samsung Galaxy S21 Ultra 5G 128GB (AT&T) Navy SM-G998U - Best Buy
Samsung Galaxy S21 5G Models – Microsoft Store
Samsung Galaxy S21 Ultra Review | PCMag
Samsung Galaxy S21 Ultra 5G G998 Phantom Silver Original LCD & Touch Screen / Display | MPD Mobile Parts & Devices - Motorola Authorized Distributor