Review: Lenovo's ThinkPad X1 Extreme Gen 4 is a powerful laptop with heat problems | Ars Technica
ThinkPad X1 Extreme Gen 5 leads Lenovo's new ThinkPads
My X1 Extreme 3rd gen Fan is constantly on, feature/bug/setting? : r/ thinkpad
Lenovo X1 Extreme, Gen 3 (2020 top) stronger cooling system. Gen 2 (mid) and Gen 1 (bot) for comparison. Still no AMD Ryzen 9 4900HS option :( Source: YT Andrew Marc David : r/thinkpad
Lenovo ThinkPad X1 Extreme Gen 4 Review: The business MacBook Pro - OnMSFT.com