Lenovo OneLink technology
Get more from your power cable! OneLink technology is a unique interface that simplifies connectivity through a single cable to the ThinkPad OneLink Dock. The OneLink dock provides dedicated video, USB 3.0 ports, Gigabit Ethernet, and audio - all while charging your notebook.
Long battery life
All-day computing with up to 9 hours unplugged lets you get a full day of work in on a single charge.
Fast data transfer
Move data quickly between the E550 and other devices with SuperSpeed USB 3.0, which enables up to 10 times faster file transfer, allowing for lightning-fast copying of large media files, as well as seamless connections between audio- and video-related peripherals.