I have connected the Mintbox 2 to a Samsung EU46D8005 TV and a 4 TB Seagate Expansion Drive (USB 3.0)
I have installed XBMC as multimedia SW and everythings work!
Mintbox 2 is close to completely silent. There is no fan in the computer and the internal 500Gb HD is very silent.:-)
Update 26/6-2015) Updated from Qiana to Rebecca without problems.