Processor: (speed, L2 cache, FSB) AMD - M340 Athlon II Dual Core Mobile, 2.2 GHz; Preloaded operating system: Win 7 Home Premium 32 Bits; Display/resolution: 15.6" CCFL, 1366 x 768, 16:9 WXGA; Video graphics: ATI Radeon HD 4200; Serial ATA hard drive: 160 GB Sata 5400 RPM; Memory: 2 GB DDR2 800 MHz PC2-6400; Maximum memory: 4 GB DDR2 800 MHz PC2-6400; Optical drive: DVD + / - RW; Camera: 0.3 Megapixel; Sound solution: 2 x 2 watt speakers; Integrated communications: 802.11 B/G/N , Ehternet 10/100; Security: McAfee Virus Scan Trial Version 2009; Li-Ion Battery Life: 6 Cell / up to 4.0 hours; Limited warranty: 90 day warranty on keyboard, hinges, plastics, power cord, AC Adapter, 1 year on major electronic compoents (including battery); Included software: One-key Rescue, Lenovo Energy Management, Windows Live Toolbar, VeriFace 3.0; Adobe Acrobat Reader 8.1; Power 2Go, WinDVD, ReadyComm, MS Office Trial 2007 (*MS Office 2010 Trial Version Pre Load will be added when available from Microsoft) , DDNI; Expansion: 2 x USB port/ VGA port / RJ45 / Mic-In/ Headphone / Kensington Lock