It looks like Western Digital is having serious problems with its older SMR (Shingled Magnetic Recording) hard drives.
High failure rates of Western Digital Blue and Red drives of 2-6TB have been reported:
https://www.tomshardware.com/pc-components/hdds/wd-launches-investigation-into-problems-with-its-smr-hard-drives-the-same-drives-that-got-wd-sued-in-2021-now-reporting-failure-rates-due-to-fundamental-flaws