I have this laptop since 2011.This laptop have hard disk 320 gb and processor intel i3. hp probook 4520s is very user friendly laptop in personaland other use. you can buy This laptop in cheap price. It’s a smart laptop and fully paisa vasool. Reliabiity is very good any time, anywhere and fully satisfaction. This laptop price in before 5 years ago is 32000 rs. It’s have bettry backup is not good max. for 1 to 2 hour after 1 year. service is good of this laptop. Many service centre of hp laptop.