Itanium
Itanium ( ) is a type of Intel microprocessors with 64-bit chip architecture (not related to the by now mainstream 64-bit CPUs made by Intel and others). Itanium processors are sometimes used today for servers. Itanium processors where originally designed by HP and Intel with Intel making producing them, and several manufacturers of systems used them; nowhere as many systems used as originally hoped for. By now mostly HP still supports systems using these chips.