The Syba SY-ENC50091 is a dual bay HDD docking station that accepts 2.5" and 3.5" SATA III HDDs and SSDs. Watch data through-put of up to 5Gb/s through a USB 3.0 SuperSpeed interface. The built-in Duplicator Mode allows cloning drives up to 4TB with device. Download the One-Touch-Backup software to safely and automatically back up important files to an attached drive. This device supports hot-swapping, plug-and-play, and is entirely backwards compatible with SATA I/II and USB 2.0.