3 Port USB 3.0 Express Card 54mm PCMCIA Express Card for Laptop C8z8 for sale online | eBay
EC230 (SD / SDHC / SDIO Card Reader)
ExpressCard 54mm Adapter for CompactFlash (CF) Cards and Microrive Cards
2 Ports USB 3.0 5Gbps PCI 54mm Slot Express Card for Laptop / Notebook
An express card module is a removable device, about 75 mm long and 34 mm wide or L-shaped with a width of 54 mm, that fits in an express card slot.
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) : Everything Else
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