Drobo 2 x Thunderbolt ports; second port for daisy chaining Thunderbolt devices (Mac OS X only) 1 x USB 3.0 port Mini 4-bay Storage Array DR-MINI-1A21 Port USB: 1 x USB3.0 HDD Interface: 4 x SATA (4 x Bay) Port Others: 2 x Thunderbolt ports; second port for daisy chaining Thunderbolt devices (Mac OS X only) Features: Up to four (4) 2.5" SATA I / II / III hard disk drives or solid state drives that are between 7 mm and 9 mm in height (sold separately) and one (1) mSATA solid state drive in the Drobo Acceler..
