The internal hard drive can be replaced by the user, for example if you wish to upgrade to a larger storage capacity.
Region free devices allow you to play games from different continents. This enables you to collect a larger game library, and you could play games before they are released in your region.
Devices with an internal power supply are desirable as they don't require a large external "power brick" on the cable. It’s more aesthetically pleasing and an advantage if you have limited space.
We consider a thinner chassis better because it makes the product more compact and portable. Thinness is a feature highlighted by many manufacturers of mobile devices, but it is essential for a wide range of products.
The width represents the horizontal dimension of the product. We consider a smaller width better because it assures easy maneuverability.
The height represents the vertical dimension of the product. We consider a smaller height better because it assures easy maneuverability.
Volume is the quantity of three-dimensional space enclosed by the product's chassis or, in simpler terms, the space the product occupies.
An optical disc drive (ODD) allows you to read data from discs such as DVDs and Blu-Rays.
We consider a lower weight better because lighter devices are more comfortable to carry. A lower weight is also an advantage for home appliances, as it makes transportation easier, and for many other types of products.