StarTech.com ExpressCard CF Media Memory Card Reader, ExpressCard, 2.09" (53 mm), 4.33" (110 mm), 0.394" (10 mm), 1.23 oz (35 g), 2.82 oz (80 g) StarTech.com ExpressCard CF Media Memory Card Reader. Interface: ExpressCard. Width: 2.09" (53 mm), Depth: 4.33" (110 mm), Height: 0.394" (10 mm). Package weight: 2.82 oz (80 g). Compatible operating systems: Windows 2000/XP/Server 2003/Vista