A model number is a unique identification code given to a specific product by the manufacturer. It helps identify and distinguish different versions or variations of that product. Full definition
If you ever forget the exact model number of your video card or even your hard drive or DVD drive, you can quickly find that information in the device manager. (howtogeek.com)
They actually seemed to be pretty focused on the building envelope and in fact did not request any information regarding the name or model number for any of the appliances. (turninghoustongreen.com)
While they will remain to pack the same specs and features, they will be differentiated by model numbers, most importantly because of the carrier exclusivity. (nashvillechatterclass.com)