2-in-1 macOS Sierra + El Capitan Bootable USB for Install / Upgrade / Repair
- Dual-boot drive allows you to install macOS Sierra and OS X El Capitan
- Extra 3GB of free space allows you store other files, such as frequently used installers
- Printed instructions included as well as a PDF on drive for quick reference
- Free shipping when purchased through MacInstaller
- See product description to check compatibility