The thin, light, IBM ThinkPad X40 notebook with wireless Intel Centrino Mobile Technology (select models) is perfect for mobile staff. It features long battery life and the optional ThinkPad X4 UltraBase Dock for a choice of drives and cable management. Like airbag technology, the IBM Active Protection System features built-in motion sensors. When a fall is detected, the hard disk drive temporarily parks itself. That makes it less likely data on your hard disk drive will be lost because of some bumps or drops. To help decrease expenses, look inside for IBM ThinkVantage Technologies and ThinkVantage Design elements. You'll see how to work more confidently and efficiently - and gain more time to focus on strategic goals.