Liztek HDDT2BS Dual Bay USB 3.0 Super Speed to 2.5 and 3.5 inch SATA Hard Disk Drive and Solid-State Drive External Docking Station Duplicator/Cloner 4TB Support Dual Top slot-loading design supports two 2.5 and 3.5 inch SATA HDD or SDD up to 4TB at the same time. Easy connect to computer with Super Speed USB 3.0 with transfer rate up to 5 Gbps pending devices with 4 LED light progress indicator. Portable and easy to use One-Step Disk Cloner / Duplicator without direct connect to computer, Plug & Play, Hot Swap no tools and no additional drivers needed. Compatible with: Windows XP, Vista, 7, 8, Mac OS X and Linux with USB Port You Get: Liztek USB 3.0 Dual Bay HDD & SDD Docking Station, USB 3.0 data cable, power adapter cable, user's manual, plus our no-hassle 18-month warranty and friendly customer service.