I backup to a 1 TB storage VPS from time4vps.eu, which at 72 EUR for two years is also much cheaper than Crashplan which I used before (and which seemed to be far more resource hungry on my Mac).
Only downside of Duplicati in my opinion is that it performs daily backups not "real-time" backups as some others do.
On the other hand, the post above asks for a "full service solution", in that case I would probably still recommend CrashPlan - it also supports local encryption with your own encryption keys and has been very reliable for me as well.
For example the hubic contract [1] states that bandwidth is limited to 10 Mbit/s upstream and downstream. Compare this to 400 Mbps dedicated port speed for each Storage server at time4vps.eu. Indeed, time4vps.eu offers 32 TB of bandwidth per month with the 4 TB storage plan, while hubic's 10 Mbit/s means that even if I transfer 24/7 for the whole month I'll only be able to transfer 3.3 TB of the 10 TB they offer.
For heavy personal use something like Amazon Drive [2] is probably a better choice, because it offers unlimited storage for $60/year. People on reddit are saying they have hundreds of TBs stored with no complaints.
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