The hosted version I'm thinking of is their Synology C2 personal it seems.
Currently I use it to back up my lossless music collection and nothing else.
Backblaze B2 was on the table too, however I think my asymetric internet connection is my biggest issue right now. Only 40-50Mbps upload won't do much for backing up multiple TBs of data. May need to consider pre-seeding drive option if I can justify the cost.
Other solution was a separate, lower spec Synology I can pre-seed and send to a friend's house who has a homelab.