Now no longer available from Dell as a new system purchase, but is in factory outlet. This desktop at one time filled the gap between the media-oriented XPS 420/430 and the high-end XPS 730x. There is no physical difference(s) between the 630 and the 630i.
Nearby & related entries: 1  inert filling. 2  inert gas. 3  inert gas narcosis. 4  inert mine. 5  inerted. 6  inertia beverage group. 7  inertia creeps. 8  inertia welding. 9  inertia, electro-magnetic. 10  inertial.
In common usage, the term inertia may refer to an object's amount of resistance to change in velocity (which is quantified by its mass), or sometimes to its momentum, depending on the context.