WD's PiDrive gives your Raspberry Pi 314GB of storage
 

Sure, you can already add storage to your Raspberry Pi, but it's usually an exercise in trade-offs: SD cards don't hold much data, and USB drives (even the portable ones) tend to be too big and power-hungry for a mini PC. WD doesn't think you should...

http://www.engadget.com/2016/03/14/w...-raspberry-pi/