MSI GT70 2OC-408US 17.3" LCD Notebook - Intel Core i7 (4th Gen) i7-4700MQ Quad-core (4 Core) 2.40 GHz - 12 GB DDR3L SDRAM - 1 TB HDD - Windows 7 Home Premium - 1920 x 1080 - Brush Aluminum Black

NOS is the MSI unique feature to use Hybrid Power design, combined with CPU Boost from Intel, GPU Boost from NVIDIA graphics and Cooler Boost 2 from MSI special design, this feature could brings much more performance enhancements to over 10% or even more. On MSI GT series gaming notebooks, when the system total usage power is over the maxima limitation of 180 W adaptor supply, NOS will auto turn on automatically to apply more currents and watts to support GPU to keep the boost work.MSI worked with Dynaudio, world-class name in sound system design from Denmark, studying electrical circuits, dozens of speaker drivers, and how to best arrange internal parts and components to optimize sound. For over a year, they tweaked the sound and developed electrical circuits and materials with the best sound response. The results of their studies have been incorporated into MSI's high-end GT series gaming NBs - the laptops with the best stereo sound in the industry.Hear your enemies perfectly, even on an ear-drum shattering battlefield. Thanks to Sound Blaster Cinema, you're getting amazing surround sound with just stereo headphones. Your most important gaming sound effects are reproduced crystal clear allowing you to focus on your game even during extremely long gaming sessions.