I am using this product since 4 years and never ever get any kind of trouble from my laptop. If I face any kind of trouble my laptop then the Dell Helpline is always their to help me either they will help me out over the call or they will resolve the problem by remote access. Helpline is awesome and they are always ready to help me out 24X7 best customer service peoples are they. They are heaving their outlet all across the world because of that you never ever feel stuck with your laptop or PC. I have only one line to say . Best product. Best Performance. Full Paisa Vasul. Don’t compare just go for it, .