If it's on a PC , it depends on how you use it ! If you keep music and lots of files on it , it will fill up fast . But , if you get rid of things you don't use much or are tired of , it will last a long time ! If you keep the system cleaned up constantly , it will last a long time . It's up to you and how much you store . Always clean up your Temp. Internet files , cookies and history . Get rid of stuff you're tired of . On a PC it's easy to clean up and keep using your Internet ! Download CCleaner free and it will help you keep your memory and registry clean !