Lenovo UltraBase Dock f ThinkPad X4

UltraBase Dock f ThinkPad X4 Enhance the functionality of your ThinkPad X40 Series notebook by snapping it into the ThinkPad X4 UltraBase. This simple, quick-attach solution is easy to carry and helps to give you an array of expansion capabilities in the office or on the road.

Features and Benefits:
• Easy to carry or pack for mobile use or as a docking solution at home or in your office.
• Integrated key-lock and system tray secures your X40 Series notebook in the X4 UltraBase and the slot for an optional cable lock helps provide security for the dock.
• Integrated Modular Bay -- supports Ultrabay Slim options including the DVD, CD-RW/DVD-ROM and Multi-Burner Slim Drives as well as the Ultrabay Slim Li-Polymer battery for all day (up to 10.7 hours*)1 battery life on select models when used with the system battery. Or, add an optional second ThinkPad hard drive with the ThinkPad 2nd Hard Drive Adapter for Ultrabay Slim.