The 11.6" Aspire One 721 is just 1? high and weighs only about 3 lb. but boasts a full-size keyboard to deliver the best of both worlds--portability plus usability. It also has a multi-gesture touchpad for scrolling, rotating images, zooming and browsing with mouse-less, fingertip convenience. OS: Windows 7 Home Premium (64-bit) Processor: AMD Athlon II Neo Processor K125 (1MB L2 cache 1.70GHz) Memory: 2GB (2/0) DDR3 SDRAM Storage: 160GB hard drive, 5400RPM; multi-in-one card reader TFT Display: Acer CineCrystal 11.6" (1366 x 768) Graphics: Integrated ATI Radeon HD 4225 Communications: 802.11b/g/n WLAN, gigabit LAN, webcam Color: Mesh black Battery: Six-cell, 4400mAh Optional Upgrades: See below for service upgrades Availability: Mid-June - AMD M880G chipset - User upgradeable up to 4GB (one 2GB memory card in each slot) - Multi-in-one card reader: - Supports optional MultiMediaCard, Secure Digital, Memory Stick, Memory Stick PRO or xD-Picture Card - With optional adapter supports optional Memory Stick Duo, Memory Stick PRO Duo, miniSD, microSD, Reduced-Size MultiMediaCard - Interface ports: DC-in, RJ-45 LAN, VGA, headphones/speaker/line-out with SPDIF support, microphone, HDMI (High-Definition Multimedia Interface) with HDCP (high-bandwidth digital-content protection), three USB 2.0 - 11.2" (285.0mm) W x 8.0" (204.0mm) D x 1.0? - 1.1? (25.7mm ? 28.0mm) H / 3.1 lb. (1.4kg) with six-cell, 5800mAh battery - Six-cell, 4400mAh lithium ion battery: up to 5.0 hours life depending on configuration and usage - Multi-gesture touchpad supporting two-finger scroll, pinch, rotate, flip - One-year limited warranty