The interest in traditional hard disk storage solutions has picked up since the beginning of 2014 after a lull that lasted about two years (since the introduction of the first 4TB hard drive).This coincided with the meteoric rise of the solid state drive, one that stole the storage limelight as prices fell and storage capacity shot up; but now spinning hard disks are back with a vengeance.Toshiba has quietly introduced a number of affordable external storage devices, and the HDTC720EK3CA, a tiny 2TB external hard drive sporting a USB 3.0 interface, currently has the highest storage capacity for a 2.5-inch form factor and is part of the company's STOR.E Canvio range.