Tech Tip: How to Use Boot Camp on an External Drive
Migrating/cloning an Apple MAC OSX with Windows 7 / 8 / 10 Bootcamp partition to another hard or solid state (HDD / SSD) disk drive (Updated March 2018)
Does anyone know how to clone a Bootcamp Windows partition onto an external drive? : r/mac
How to Upgrade to SSD (Transfer Bootcamp) - YouTube
How can I clone a windows hdd onto my MacBook's ssd/boot camp? | MacRumors Forums