How is the SN850 attached: Internally
Was LUKS in use: Don’t think so
Died after sleep or died on reboot/cold boot : Cold boot
Was the drive purchased from us? If so, which date(s): Yes. 16 Jan 2022. 1TB WD Black SN850 - WDS100T1X0E - 00AFY0, SN: 21384L805021
Which Linux distro and kernel used in this instance: Ubuntu 20 (not sure exactly which kernel)