Finally got the cheapest USB 3.0 Express Card for my T420 😁 : r/thinkpad
PE4C V3.0 (PCIe x16 Adapter)
Amazon.com: CoCocina [Expresscard Version V8.0 EXP GDC Laptop External Independent Video Card Dock : Electronics
Shop Gpu Expresscard | UP TO 54% OFF
Shop Egpu Exp Gdc | UP TO 59% OFF
eGPU on MacBook Pro 4,1 and up with PCIe ExpressCard slot | MacRumors Forums
Setup EGPU ExpressCard. How to install, como instalar. - YouTube
EXP GDC eGPU set-up with RX 580, ExpressCard, Linux, and T500 ThinkPad? : r/ eGPU
Expresscard Express Card 34mm to PCI-E 16X Riser for Laptop External GPU Card | eBay
Amazon.com: JMT EXP GDC Notebook External PCI-E Discrete Graphics Beast Series External Laptop Docking Station Mini PCI-E/M.2 A Key No Power ( Expresscard) : Electronics
eGPU on MacBook Pro 4,1 and up with PCIe ExpressCard slot | MacRumors Forums
eGPU on MacBook Pro 4,1 and up with PCIe ExpressCard slot | MacRumors Forums