Be advised - some 2.5" external drive boxes now come with USB3 circuit boards attached straight to the drive. You can't take these apart and connect them to SATA. : r/computertechs
How to: Disassemble Toshiba Canvio Desk (3Tb) External Hard Drive | Gough's Tech Zone
Disassembly Fake 2TB Toshiba Portable Hard drive - YouTube
How to: Disassemble Toshiba Canvio Desk (3Tb) External Hard Drive | Gough's Tech Zone