Product : Amazon, AWS Snowball Edge/Current, all
Feature : Local Data Protection, Storage, Infrastructure Services
Content Owner:  Bhagyashri (Shri) Bhagvat
Summary
The Snowball Edge employs defense-in-depth for data protection including a ruggedized tamper-reistant enclosure, 256-bit encrpytion, and a TPM
Details
https://docs.aws.amazon.com/snowball/latest/developer-guide/security-considerations.html