They're good and I've never had a single failure in the last 10 years but make sure you have several of them. Don't try to put all your data on one hard drive.
8TB Seagate Backup Plus Hub Desktop Hard Drive with Data Recovery Services
56 Review
Shock-Resistant Transcend StoreJet 25M3 USB 3.1 Slim Portable Hard Drive with 500GB Capacity
99 Review
2 TB External HDD ADATA DashDrive Durable HD650, USB 3.2 Gen 1, Blue
55 Review
π Seagate Expansion 3TB Portable USB 3.0 External Hard Drive (STEA3000400) in Black
60 Review
π SAMSUNG T5 Portable SSD 2TB - High-Speed USB 3.1 External Solid State Drive, Black (MU-PA2T0B/AM)
40 Review
Seagate BarraCuda 500GB Internal Hard Drive HDD - Reliable, High-Speed Storage Solution for Desktop PC - SATA 6 Gb/s, 7200 RPM, 32MB Cache (ST500DM009)
11 Review
Samsung T5 Portable SSD MU PA500B
88 Review
π StarTech.com 3.5in Silver Aluminum USB 3.0 External SATA III SSD / HDD Enclosure with UASP - Portable USB 3 3.5" SATA Hard Drive Housing (S3510SMU33)
10 Review