Can I insert a graphics card into my Lenovo ThinkPad? - Quora
eGPU for T420? | TechPowerUp Forums
Showing off my cheap egpu setup with my t420. Also does anyone know how to get the pcie on the underside to work? I have a custom bios without the whitelist. :
2011 14″ Lenovo Thinkpad T420 (NVS4200M) [2nd,2C,M] + RX 460 @ 4Gbps-EC2 (EXP GDC 8.x) + Win10 // DIY HDMI input port: internal & external all in one LCD with button switch –
2011 14″ Lenovo Thinkpad T420 (NVS4200M) [2nd,2C,M] + RX 460 @ 4Gbps-EC2 (EXP GDC 8.x) + Win10 // DIY HDMI input port: internal & external all in one LCD with button switch –
T420 Coreboot, i7-3632QM and fun with eGPU : r/thinkpad
5 Best External Graphics Card (eGPU) for Laptop 2022 - YouTube