A combination of a NAS, Crashplan (I may be switching to BackBlaze) and occasionally burning critical data to BluRay discs for cold storage.
On my work desktop I also do incremental Acronis images and Windows File History on local drives.
On my work desktop I also do incremental Acronis images and Windows File History on local drives.
IMO neither is really better than the other. I feel like a good complete remote personal backup solution for someone with multiple drives [1] doesn't exist today.
[1]: Read someone with an SSD MacBook and years of data accumulated from other machines that don't fit on the built-in SSD.