tired iron

[IBM] Hardware that is perfectly functional but far enough behind the state of the art to have been superseded by new products, presumably with sufficient improvement in bang-per-buck that the old stuff is starting to look a bit like a dinosaur.

Nearby terms:

TIPLtip of the ice-cubetired irontits on a keyboardtjTk

Try this search on Wikipedia, Wiktionary, Google, OneLook.