Lenovo ThinkPad X1 Carbon 6th Gen [Big Sur 11 – Windows 10]
Clover EFI for Lenovo ThinkPad X1 Carbon 6th Gen – macOS Big Sur
[GUIDE] Lenovo ThinkPad X1 Carbon 6th Gen [Big Sur 11 – Windows 10]
Insanelymac:Lenovo ThinkPad X1 Carbon 6th Gen
macOS Install Instructions (Clover v5130)
For specs, notes, other informations see the linked Insanelymac guide