You can see a working Quantum Computer in IBM's London office
IBM Quantum System One in Waterloo is a live, circuit-based commercial quantum computer visible through a window and cryogenically cooled to preserve quantum states.
OCP learning how to get quantum computers into existing DCs
Datacenter operators must adapt infrastructure for co-locating quantum and classical HPC, addressing cryogenic cooling, environmental controls, magnetic shielding, weight, humidity, and scheduling.