For a visibly smarter PC experience, look for the 2nd generation Intel® Core™ processor family. These new processors feature improved adaptive performance that adds speed when you need it and built-in visual capabilities for a betterPC experience you can see. We call that visibly smart performance. You’ll call itAmazing!Perfect for office applications, but outstanding for entertainment, this new desktop range delivers multi-tasking through the Intel® Hyper-Threading Technology and our Core i5 and i7 models automatically speeds up (overclocks) your PC when you need it with Intel’s new Turbo Boost technology.This model comes with Microsoft Windows 7 Home Premium pre-installed to reduce set up times. This system features a 1 year return-to-base parts and labour warranty.