TESTED - ExSys ExpressCard 34mm USB 3.1 (Gen 2) dual-port adapter w/ power cable

4-Port USB 2.0 A to PCMCIA CardBus with Power Adapter (Brand New)

2 Port Super-Speed USB 3.0 ExpressCard 34 Adapter For Apple MacBook Pro *5Gbps

Sonnet Presto Gigabit Ethernet Pro ExpressCard 34 GE1000LAB-E34 Mac Windows New

Two High-Speed USB 2.0 PCMCIA CardBus Card w/ two extra USB Ports

Adaptec AUA-1420 2-Port USB 2.0 CardBus Adapter Laptop Notebook PC Card NEW

Lindy CardBus Adapter US 2236 PCMCIA to 2 x USB Dongle and Laptop Adapter

PC CardBus to USB 2.0 Adapter Ruggedized