Akitio Thunder3 Duo Pro (Thunderbolt3 - Enclosure Only) - Windows ONLY : Currently not Supported by Mac Thunderbolt 3 for lighting fast transfer speeds up to 40 Gbps Triple connectivity featuring Thunderbolt 3, USB 3.1 Gen 1 and DisplayPort Hardware RAID controller (RAID 0, RAID 1, SPAN, Non-RAID) Tool-less drive installation for 2.5-inch and 3.5-inch drives Kensington security lock slot Thunderbolt 3 for lightning fast transfer speeds up to 40 Gbps Triple connectivity featuring Thunderbolt 3, USB 3.1 Gen 1 and DisplayPort Second Thunderbolt 3 port supports Thunderbolt 3, USB 3.1 (10 Gbps), and DisplayPort devices Hardware RAID controller (RAID 0, RAID 1, SPAN, Non-RAID) Tool-less drive installation for 2.5-inch and 3.5-inch drives Built-in fan for active cooling with power switch Dedicated DisplayPort for additional 4K monitor Kensington security lock slot