Yes, we do offer different 42U options they are all lockable, and are able to me moved after the equipment has been installed. You can purchase the 42U Server Cabinet Enclosures (P/N: RACK-151-42U). The 42U RACK-151 Server Cabinet 600mm x 1000mm features an internal depth that is adjustable with an outside depth of 39"". We also provide the 42U RS148 Data Center Server Cabinet (P/N: 148-8423) that has a 42" depth.