The Verbatim InSight is a portable Hard-disk with an Always-On display that shows the drive's available free space and personalized name. It connects via USB, and comes in 320Gb or 500Gb capacity. The rotation speed is 5,400 RPM.

The InSight costs 116$ for the 500Gb, and 89$ for the 320Gb

E Ink display info: 
32 x 128 pixels
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ynvisible ink kit - create your own electrochrommic printed displaysynvisible ink kit - create your own electrochrommic printed displays