Amazon.com: Half/Full Size Mini PCIe USB 2.0 to ExpressCard 54/34 Slot Adapter PCI Express Mini Card to Express Card Converter Reader : Electronics
ExpressCard 34 to 54 Stabilizer Adapter - Slot Conversion & Slot Extension | StarTech.com Finland
Matrox ExpressCard/34 Host Card for MXO2 EXP34/ADP
Usb Type C Enclosure M.2 Nvme Ssd | Macbook Air Ssd Enclosure Usb - New Usb C Hub M.2 - Aliexpress
64GB Wintec FileMate SolidGO ExpressCard 34 SSD
24GB FileMate SolidGO ExpressCard 34 Ultra SSD (w/mini USB port)
Transcend TS16GSSD34E: SSD ExpressCard for those on the Go...
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