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.
Scientists call these tendencies inertia. Inertia is a way of measuring how hard it is to change the momentum of an object, whether that's getting it to speed up or getting it to slow down. That depends on how much mass the object has. Big heavy things (things with a lot of mass) have more inertia than light things. You have to push a bus harder than a scooter to get it to move. If something has a lot of mass, it's also hard to get it to stop moving. If the bus was moving fast, you'd need good brakes to get it to stop.