The 16 GB ExpressCard from Lexar Media is a solid state drive (SSD) that provides high-performance and high-capacity plug-in storage for laptop computers. The card fits easily into the ExpressCard slot of your laptop and delivers extra memory and reliably backs up data without cables and protrusions. It includes Lexar auto-backup software to protect files and data on your laptop. This software lets you set up a schedule and choose what specific files or folders you would like to backup. It also supports backups on multiple computers, letting you establish different backup settings for each computer. Ideal for use with Windows Vista, the Lexar ExpressCard SSD is enhanced for use with ReadyBoost, a Windows feature that allows you to boost your system performance with fast caching directly to the ExpressCard.