The physical size of a device as measured by outside dimensions. With regard to a disk drive, the form factor is the diameter of the platters, such as 2.5", 3.5" and 5.25", not size in terms of ...

Equipment that is smaller than other products in the same category. For example, a mini PC is a small-form factor (SFF) device. See form factor and mini PC. THIS DEFINITION IS FOR PERSONAL USE ONLY.

Mobile phones can come in several different physical styles (form factors). While manufacturers are continually coming up with new types of designs, there are several common categories used on this ...