ASUS P-Series P2520LA-XH51 Laptop, 15.6" HD Display, Intel Core i5 2.2 GHz, 4GB RAM, 500GB HDD, Windows 7 Pro 5th-generation Intel Core i5 processor with 4GB of RAM and 500GB 7200RPM HDD 15.6-inch HD panel and Windows 7 Pro and upgradeable to Windows 10 Pro 5.6 pounds for superior portability Incredible battery life with up to 9 hours to keep you working and productive all day Made for professionals who are on the go and need power to get anything done