Can I Install Windows 10 from SDHC Card instead of USB Flash Drive?
Can I Install Windows 10 from SDHC Card instead of USB Flash Drive?
Late 2013 15" MacBook Pro Retina (11.2)
Windows 10 32/64 bit file purchased from Microsoft
SDHC 32GB cards formatted FAT-32
The cards can be ejected from Finder (as per Apple's instructions below)
Apple's instructions here imply it's possible
Create an ISO image for Boot Camp from Windows installation media - Apple Support
Connect your flash drive or SD Card, then try to eject it from the Finder. If you don't see an option to eject the drive in the Finder sidebar, this device can’t be used to install Windows.
Yet instructions here only mention USB Flash Driver
How to install Windows using Boot Camp - Apple Support
When prompted, connect your USB flash drive.