Belkin thunderbolt 2 express dock hd with cable belkin thunderbolt 2 express dock hd the first ever dock made for thunderbolt 2 technology transfer 2x faster than previous thunderbolt with just one cable with the belkin thunderbolt 2 express dock hd you can connect up to 8 devices including dual displays to your powerful ultrabook laptop or desktop and take full advantage of thunderbolt 2 data transfer speeds and 4k cinema resolution works with imac mac pro mac mini macbook air macbook