StarTech.com ExpressCard 34mm to 54mm Stabilizer Adapter 3 Pack Install a 34mm ExpressCard into a 54mm ExpressCard slot without card slippage expresscard 34 to 54 adapter expresscard stabilizer expresscard bracket - ODP Business Solutions
4-Port USB 2.0 ExpressCard/34 Computer Card - Sonnet
2 Port SuperSpeed USB 3.0 (macOS Native) ExpressCard|34 Adapter – local338
StarTech.com ExpressCard 34mm to 54mm Stabilizer Adapter 3 Pack Install a 34mm ExpressCard into a 54mm ExpressCard slot without card slippage expresscard 34 to 54 adapter expresscard stabilizer expresscard bracket - ODP Business Solutions
Active CardBus to ExpressCard/34 Adapter
Amazon.com: Sintech Laptop Expresscard 34 to Mini PCI-e Or PCIe X1 Adapter Card : Electronics
ExpressCard/34 adapter with 2x FireWire 400 and 1x USB2.0 ports