The Samsung NP300E5X-AOBIN laptop runs on DOS OS and is powered with Intel Core i3(2nd generation) 2.2 GHz processors that can handle everyday tasks with ease. The Samsung NP300E5X-AOBIN Laptop has 2 GB DDR3 RAM, 500 GB HDD and Super MultiDVD-RW. It runs on DOS OS, So you can install Heavy Applications like(SAP, Oracle Apps) and there will be a good performance. And Battery backup is really good, it’s having 6 cell lithium ion which gives more battery backup