x220 expresscard slot
USB 3.0 SuperSpeed PCMCIA Express Card 54mm 3 Port for Laptop ...
High quality usb to ethernet rj45 adapter, canon to sony adapter for different parts of computer, all the best choice for expresscard 34mm laptop sd card slot ...
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If your laptop has USB4, Type-C Thunderbolt 4, Thunderbolt 3, Thunderbolt 2, M.2 NVMe slot, mini PCIe, or an ExpressCard slot, your laptop/PC supports eGPU.
Lenovo ThinkPad X220 Review - notebooks.com
The x220 also has 4GB RAM, a 320GB hard drive, 3 USB 3.0 ports, Display Port, VGA, an Express card 54 slot and a SD card reader.