StarTech.com PCI-Express to ExpressCard Adapter, PCIe, 3.58" (91 mm), 3.86" (98 mm), 4.72" (120 mm), 1.59 oz (45 g), Wired StarTech.com PCI-Express to ExpressCard Adapter. Host interface: PCIe. Width: 3.58" (91 mm), Depth: 3.86" (98 mm), Height: 4.72" (120 mm). Connectivity technology: Wired, Compatible operating systems: Windows 2000 / XP / 2003 / Vista, I/O ports: 1 x 34/54 ExpressCard 1 x USB Type A Port (int)