Keep a custom hardware maintenance program organized around individual covered devices rather than a single undifferentiated service scope. HP U48VXZ provides four years of program management for per-device hardware maintenance. Its service structure makes the device the unit of maintenance administration, supporting environments where covered hardware requires separately managed service treatment. Program management applies to the maintenance service arrangement associated with each device. This approach distinguishes the service from a general hardware product or a one-time technical engagement: it is an ongoing maintenance program with a defined four-year duration. The custom designation supports service arrangements built around the devices assigned to the program rather than a generic, unallocated maintenance service. Use this service where the maintenance program must be managed at device level across installed HP hardware. The per-device basis provides a clear association between the service and the hardware it supports, while the four-year period establishes the planned duration of that management service. This specific offering combines custom per-device hardware maintenance with program management; it does not represent physical hardware shipped for installation.