So it should be more reliable (and faster) than a generic USB Flash drive. Why this drive? According to the specs it is FAST, and it is a SSD, not a standard USB Flash drive. This requires permanent changes to your Mac
You want to have a portable full install of an Ubuntu system for prototyping.We will generally be following these instructions, with a few key modifications. This guide will show you, step by step, how to install a full version of bootable Ubuntu on a SSD (solid state drive, or any other external drive), using only your Macbook. I am not an expert, and likely cannot solve any issues you encounter. Warning: This is a complicated process, and you might screw things up.