"Unlimited" alternatives to Google Drive, what are the options?

Luckily I got a nice chunk of space from Dropbox before they implemented their 1TiB/mo nonsense. So now, I am playing around with Box Business. But I can't seem to get better than 2.5 MiB/s UL using the rclone standard API (not through a custom app). Would creating my own app (hence subjecting myself to the API call limit) yield a faster upload, or am I missing something else here?

I've played with --transfers and whether I use 6/8/50 or the default, I'm only getting 2.5 MiB/s UL ... granted, this is only with one file to test so when I sling multiple up it will probably increase ... but this seems kind of slow to me.

I may be able to deal with such a slow upload speed, but is download speed just as terrible? Downloading at 2.5 MiB/s just won't work. Thoughts?