USB 2.0 Transfer Speeds Copying from USB 3.0 Drives

I bought a new MBA mostly to get USB 3.0 speed from my external drives (my old Macbook only had USB 2.0).
I replaced my old USB hub with a 3.0 one, and I replaced a couple of externals that only did 2.0.
Lots of updates, lots of expense. And I just started an external-drive-to-external-drive copy, and it's proceeding at about 22mb/sec. That's less than USB 2.0 speed! At this rate, it will take a long long 12hrs to backup a 1TB drive.
So where did I go wrong? Both drives have USB 3.0 cords plugged into the correct jacks.

james a Leff wrote:
I replaced my old USB hub with a 3.0 one,
So where did I go wrong?
The problem is highlighted above.
You may not want to hear it, but all USB hubs are trash and untrustworthy.
Not a lightweight statement either. There is no other computer interface part more horrific on a scale of 100% regardless of mfg. than a USB hub.
ditch it.

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