I like the idea of a large SD card for Time Machine. I have external USB connected drives, though. I use wired networking every day at work (alas, with a USB

I like the idea of a large SD card for Time Machine. I have external USB connected drives, though. I use wired networking every day at work (alas, with a USB adapter now, since the hardware that hooked everything up to thunderbolt broke) - wifi is frowned upon in that environment.