The ThinkPad P73 has been around for a while, but Lenovo had to deliver some BIOS updates before the device could use the full potential of its components. Neither Intel, nor Nvidia, introduced major updates in the last 18 months, so the P73 is still up to date in the beginning of 2021.
https://www.notebookcheck.net/Lenovo-ThinkPad-P73-Review-Mobile-Workstation-with-Core-i9-RTX-4000-and-4K.515923.0.html