For anyone wanting to expand their S21 storage, I recommend portable SSDs from Samsung. Smaller than a credit card, connects directly to your phone, and optional password lock encryption on the drive.
Solid State Drives - Samsung MZVLB1.0THBLR-000L7 - 1TB M.2 1024GB PCIe NVMe Solid State SSD was sold for R1,500.00 on 7 Feb at 23:23 by MINEAWAY in Johannesburg (ID:540079927)
Computer Hard Drives for sale in Bucharest, Romania | Facebook Marketplace | Facebook
SAMSUNG SSD M.2 PM981 256GB 512GB 1TB Solid State Hard Disk M2 SSD NVMe PCIe 3.0 x4 NVMe Laptop Internal disco duro m2 SSD - AliExpress
Samsung 970 EVO | Consumer SSD | Specs & Features | Samsung Semiconductor Global
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HP ZBook Studio G4 15.6" Genuine Samsung 256Gb NVMe M.2 SSD Drive MZ-VLB2560 | eBay
Samsung PM981 1 TB Solid State Drive m.2 NVME - TEKDEP.com Parts Tools Gadgets Repair