Paid plans: from 9,99 Eur / mo
Dropbox was one of the first movers with cloud storage for personal use. It's very popular and well-known for it's simple and elegant file synchronization tools which can be used across all devices. Dropbox was Founded in 2007 by Drew Houston and Arash Ferdow. They were frustrated by working from multiple computers -moving files around using USB drive. It has other features as collaboration and file sharing. It's estimated to have more than 200 million users.
Dropbox Limits :
Max file size: 10 Gb
2 Gb Free
Individual: 1Tb 9,99 Eur / month
Business: 600 Eur / yearly or 60 Eur / monthly for 5 users team.