The correct answer is A, AWS Snowball Edge device. AWS Snowball Edge is a physical device designed for secure and efficient transfer of large amounts of data to and from AWS. It can handle up to 80 TB of data and provides multiple layers of data protection, including encryption and tamper-resistant seals. This makes it an ideal solution for transferring 60 TB of data to AWS, especially when dealing with large datasets where internet transfer may not be feasible due to bandwidth limitations and time constraints. The other options, B, C, and D, are AWS services but not designed for the secure physical transfer of large datasets.