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: 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
Sonnet M.2 2x4 Low-profile PCIe Card – Sonnet Online Store
New ThinkPad Mod: ExpressCard to NVMe SSD Adapter - Thinkpads Forum
Amazon.com: Dual 2 Port USB 3.0 ExpressCard Adapter 5Gbps USB HUB ExpressCard 54mm Slot Express Card PCMCIA Converter for Laptop Notebook PC : Electronics
Expresscard Express Card 34mm to PCI-E 16X Riser for Laptop External GPU Card J7 | eBay