Style: 2 Bay w/ USB 3.0 ADouble your capacity, EZD-2537U3 is a dual bay hard drive docking station that lets you plug in two of your 2.5 or 3.5 hard drives at the same time. This increases your capacity in a compact space. EZD- 2537U3 is a convenient & easy solution for backing up your data and files, now with USB 3.0 interface to ensure the fastest transfer speed.