Going forward, WD will focus on the hard drive and platforms side, while Sandisk will concentrate on flash technology ...

A hard drive or solid state drive (SSD) that resides outside the computer's case, typically connecting via USB or eSATA. A USB flash drive is also external storage. See portable drive and USB drive.

Dell Computer said Wednesday it ... Rewriteable CDs, ZIP drives and portable hard drives --especially keychain-sized flash memory devices -- have established themselves as far more useful.

when plugged into a computer, exposes the device's contents in the same manner as a built-in hard drive. USB-based devices such as flash memory drives, memory card readers, digital cameras and ...