Amazon.com: 34/54mm Express Card to PCI-Express Adapter Converter Card PCI-e to 54mm expresscard Slot : Electronics
64GB Team ExpressCard SSD (MLC 34/Interface) with USB cable
StarTech.com 2 Port ExpressCard Laptop USB 2.0 Adapter Card - USB adapter - ExpressCard - USB, Hi-Speed USB - 2 ports - Add two USB 2.0 ports to a computer through an ExpressCard slot - Reliable Paper
2 Port SuperSpeed USB 3.0 (macOS Native) ExpressCard|34 Adapter – local338