Tag hardware is currently described as
Physical equipment, such as camera bodies, lenses, accessories, as well as the electronics inside of them. Excludes firmware or other software.
which would make it a very big tag, encompassing the existing top-ten tags lens, equipment-recommendation, flash (probably), and dslr (often). That seems a little silly.
If you look at the frequent questions in this tag, or the top voted, they really have little in common. This does not seem to be a useful tag. Should we kill it?