Samsung recommends Windows 8. Enjoy powerful, best in class, fast performance with the latest Intel® Core™ processor and innovative ExpressCache™ technology for ultra fast processing and Internet access. An anti-reflective 15.6" SuperBright screen fits into the most compact chassis available in 15" notebooks, and AMD Radeon graphics produce sharp clear images, even outdoors, while an elegantly powerful and durable aluminum case looks good anywhere. Start up fast - FastStart Instant on – get started within 2.1 seconds* of opening the display or pressing the power button. An innovative hybrid sleep mode combines the fast start-up of sleep with the stability of hibernation, so you don’t have to wait 30 ~ 60 seconds for the notebook to boot-up. * Based on stopwatch.   Go faster – with ExpressCache™ Innovative ExpressCache™* technology provides 8 GB of flash memory on the motherboard that works as an ultra fast HDD. Its intelligent, automatic caching takes 45% less time to boot up and starts Internet Explorer and frequently used applications 2 times faster, while still maintaining the safety and integrity of your data. * Factory option. * Speed will vary depending on the configuration, applications used and wireless settings. * Only applied to the models with ExpressCache™. * Based on stopwatch. Latest Intel® Core™ processor A next generation quad-core Intel® Core™ processor* delivers best-in-class performance even when heavily multi-tasking with the most demanding applications and multimedia. It dynamically allocates processing power where it's needed most using intelligent Turbo Boost technology. So you can enjoy faster web browsing, Microsoft Office tasks and music or video conversion, with much less waiting for a response. * Specifications may vary depending on the model.   Brilliant AMD Radeon graphics A powerful and power-efficient AMD Radeon HD6750M hybrid graphics card provides an exceptional high definition video and gaming experience in stereoscopic 3D. Its advanced image processing delivers striking imagery, true-to-life visual effects and the smoothest video playback using DirectX® 11 Evolved technology. You can also run multiple power-hungry applications simultaneously with great speed and little effort. * Specifications may vary depending on the model SuperBright screen The 15.6" SuperBright LED screen produces the sharpest images with 300nit brightness, which is up to 36% brighter than normal laptops. So you can enjoy outstanding picture quality and text legibility, even when you’re outdoors or in difficult environmental light situation – enabling you to work longer without straining your eyes. Anti-reflective screen The anti-reflective LED screen lets you enjoy images that are fine-tuned with the sharpest details and boldest colours, even when you’re outdoors. Its matt surface has less mirror effect and no reflections from surrounding lights, so you can use it for longer without your eyes getting tired. Thin & light design – just 2.3 kg Weighing just 2.3 kg and only 23.95 mm thick, the compact design is less than 1" in height to provide maximum style and portability. But even though it's one of the thinnest and lightest notebooks in its class it still incorporates comprehensive functionality for optimum performance on the move.       BatteryLife Plus – Anti-aging battery technology   Samsung's intelligent battery charging uses anti-aging technology so the battery keeps 80% of its original capacity for up to 1500 recharges – that’s 5x longer than a typical battery. So you don’t have to worry about suddenly losing power or having to buy a replacement battery, because it stays like new for 3 years. Ports Information