1.5 terabytes storage, which is a lot. I digitized my entire catalog of films and music, and thus the top half (!) Made full. Write speed is up to me to the 18 Mbps. The board is powered by an external power supply, the data traffic running over USB 2.0. The design is unexciting, actually looks like a black brick with rounded edges (however much easier). She is discreet and quietly in the background. The plastic casing does not particularly robust impression, but I also have no intention to drag through the area permanently or continuously carry on trips. You could stack several plates above the other without any problems, as neither vibration nor heat buildup can be felt. Accordingly, extremely quiet running the plate. The white LED which indicates the operation, I have taped so they do not bother at night. For the price there is no better USB drive!