Users Guide

34  ExpressCards
The following figure shows the size-comparison of ExpressCards:
54 mm ExpressCard (EC 54) 34 mm ExpressCard (EC 34)
Types of ExpressCards Features
ExpressCard/34 • Used in smaller computers
andsupports limited peripherals
• Can be used on both EC 34 and EC54
slots
ExpressCard/54 • Supports a wide range ofperipheral
devices
• Consumes more power than the
34mm cards
• Can be used only on computers that
support EC54 slots