Transcend TS16GSSD34E: SSD ExpressCard for those on the Go...
M.2 (NGFF) NVMe SSD to Laptop ExpressCard 34. e.g. for Samsung 950/960/970 EVO #19499 | M-Ware
Expresscard Ssd
Expresscard-to-M.2: SSD-Adapter für ältere Thinkpads - Hardwareluxx
Testing a cheap ExpressCard to NVMe SSD adapter on my ThinkPad T430 :: ./techtipsy — Herman's blog
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
Amazon.com: JMT 3 Ports Hidden Inside USB 3.0 to Expresscard 54mm USB3.0 Adapter Converter for Express Card Laptop Notebook PC : Electronics