StarTech.com Dual-Bay USB 3.0 / eSATA to SATA Hard Drive Docking Station, USB Hard Drive Dock, External 2.5/3.5" SATA I/II/III SSD/HDD Docking Station, Hot-Swap Hard Drive Bays, Top-Loading. Storage media type: HDD, SSD, Storage drive interface: Serial ATA III, Storage drive sizes supported: 2.5,3.5". Host interface: USB 3.2 Gen 1 (3.1 Gen 1) Type-B. Maximum data transfer rate: 6 Gbit/s, Product colour: Black, Material: Plastic. AC input voltage: 100-240 V, Input current: 1.5 A, Output voltage: 12 V. Windows operating systems supported: Windows 2000, Windows 8, Windows 8.1, Windows Vista Home Basic, Windows XP Home, Mac operating systems supported: Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks