Libretto U100 with Pentium M ULV (1.2GHZ), 512MB, 60GB HDD, Atheros Wi-Fi (802.11b/g), DVD Dock wit SuperMulti Drive, Windows XP Pro, 1-Year Warranty. The libretto' U100 packs impressive power and performance into an innovative, ultra-light, full-featured mini-notebook design. The libretto' U100 includes the power of a standard-sized notebook packed into an innovative, 2.1 lb. mini-notebook design. Despite its size, the libretto' U100 runs Microsoft' Windows' XP Professional and is heavy on high-end features. At the forefront of security technology, it boasts a fingerprint reader to protect your data. You also get integrated wireless LAN, an ultra low-voltage mobile processor optimized for longer battery life and extra I/O ports to accommodate your peripherals. Almost half the size of standard notebooks, the libretto' U100 mini notebook is the perfect solution for busy travelers who require full power in limited space.