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 3 Intel Laptop, 15.6" UHD Touch 400 nits, i7-10850H, GeForce GTX 1650 Ti 4GB GDDR6, 16GB, 512GB, Win 10 Pro, One YR Onsite Warranty - Walmart.com
ThinkPad X1 Extreme Gen 3 Intel (15") - Black | Lenovo US
GitHub - Shuzhengz/TPFanCtrl2: ThinkPad Fan Control 2 (Dual Fan) for Windows 10 and 11
Amazon.com: Genuine Parts for Lenovo ThinkPad P1 Gen 2(20QT 20QU) X1 Extreme 2nd Gen(20QV 20QW) Heatsink Cooling Fan for Dis SWG Graphics 02XR044 : Electronics