ST ECUSB3S22: Express card, 2x USB 3.0 Type-A, 5 Gb - s at reichelt elektronik
NEON 2-port USB3.0 High-speed PCI Express Card
1x Flush Mount ExpressCard USB 3 Card - USB 3.0 Cards
3 Ports Hidden Inside USB 3.0 to Expresscard 54mm USB3.0 Adapter Converter for PCMCIA Express Card Laptop Notebook PC|Add On Cards| - AliExpress
Amazon.com: StarTech.com 1 Port Flush Mount ExpressCard SuperSpeed USB 3.0 Card Adapter with UASP Support - ExpressCard USB 3.0 Adapter (ECUSB3S11), Green : Electronics
ORICO 2-Port USB 3.0 ExpressCard/54mm
Sonnet USB3-4PM-E Allegro 4-Port USB 3.2 Gen 1 PCI USB3-4PM-E
USB 3.0 Express Card | USB 3.0 SuperSpeed ExpressCard/34 | AKiTiO
USB 3.0 USB3.0 to Expresscard Express Card 54 54mm Adapter Converter Car'd|express card 54|expresscard 54 usb 3.0usb 3.0 expresscard adapter - AliExpress
Help with using an express card USB 3.0 on x200 : r/thinkpad