On this page we review 4Shared and they offer 15 GB Free Cloud Storage
Link to the site: 4Shared (15 GB Free)
More details about the free offer of 15 GB can be found on this page. Keep in mind that you have to login at least every 180 days to keep your free account. If you forget to login, your free account wil be terminated. And you lose your file. So I if you want to keep using this free service, keep logging in at least every 180 days.