hello rapi,
it’s supported if you’re having eMMC modules.
according to r32.5 developer guide, Disk Encryption.
Applies to: Jetson Xavier NX, Jetson AGX Xavier series, and Jetson TX2 series
FYI,
please also refer to Jetson Software Roadmap for 2H-2021 and 2022 ,
it’s next public release plan (i.e. JetPack-4.6) for adding SD card models supports.
thanks