I bought my HS sophomore a Thinkpad T490 w/MX250 and TB3 (2 lanes) as his primary school computer, and he schlepps it back and forth between my house and his Mom's house every week, which is what ...
My son has a Lenovo Thinkpad T490 with a discrete Nvidia GPU plus an eGPU box and a Radeon RX570 connected via TB3. The T490 has a USB-C connector (USB 3.1 Gen 1) and a Thunderbolt 3 connector (USB-C) ...