Internals and Setup
While I didn't field strip the EX2, I did pop open its lid to see how easy hard drive swaps were:
Drives can be easily hot swapped with the device still on, though the swaps are not completely tool-less as you'd have to swap over the screwed in stubs that slide along the internal rails of the EX2.
There was really nothing to setting up the EX2. Plug in power, connect to your router, give it a minute to boot, and check network devices:
Launching from the storage pane (selected above) opens the My Cloud GUI in your default browser:
After login, you see the My Cloud control panel, which gives all sorts of handy info at a glance: