This is the Thinkpad T14s Gen 4 with the hexacore AMD Ryzen 5 7540U with Zen 4 architecture.
It has 32GB LPDDR5x-6400 RAM, which was not an expensive upgrade.
The specs are here: https://www.lenovo.com/us/en/p/laptops/thinkpad/thinkpadt/thinkpad-t14s-gen-4-(14-inch-amd)/len101t0080
The CPU's specs are here: https://www.amd.com/en/products/apu/amd-ryzen-5-7540u
As reported by Notebookcheck, when the CPU fan is on, it is quite loud.
Here's their review: https://www.notebookcheck.net/Lenovo-ThinkPad-T14s-G4-review-Business-laptop-is-better-with-AMD-Zen4.763581.0.html