Transcend TS16GSSD34E: SSD ExpressCard for those on the Go...
3 Port USB 3.0 Express Card 54mm PCMCIA Express Card for Laptop NEW
Amazon.com: StarTech.com 2 Port Flush Mount ExpressCard 54mm SuperSpeed USB 3.0 Card Adapter with UASP - Dual Port Laptop ExpressCard USB 3 Controller (ECUSB3S254F) : Electronics
Expresscard Adapter 34 54 Mm Expresscard To Mini Pci-e Adapter Mini Pci Express Express Card Converter For Laptop - Add On Cards & Controller Panels - AliExpress
Lexar ExpressCard SSD Review | TechCrunch
Testing a cheap ExpressCard to NVMe SSD adapter on my ThinkPad T430 :: ./techtipsy — Herman's blog