Power of Thunderbolt, Felxibility of USB – Thunderbolt I/O technology provides performance that no personal storage has been able to achieve, especially one that’s portable. Drobo Mini is equipped with dual Thunderbolt ports for daisy chaining. Connect up to six Thunderbolt devices and/or a non-Thunderbolt monitor at the end of the chain. The bidirectional 10 Gbps performance of Thunderbolt allows all devices in the chain to achieve maximum throughput. Drobo is the only storage array that offers Thunderbolt AND USB 3.0. This latest generation of USB also offers high-performance connectivity and is backward compatibility with any computer running compatible versions of Mac OS X or Windows.