What are the best ways to expand space with USB on PlayStation 4 Pro, all my USB are running out of space with other devices connected?

I have already 2 external hard drives on the console one on the back USB of the console and one in the front. But I'm using the other USB on for my wireless turtle beach headset.

I've been trying to look for USB ports or extender to have more USB space.
Update: I've tried using 10TB Seagate Hard Drive hub. But the PlayStation 4 won't accept it as storage. All my games are physical discs and free PlayStation plus that are free to keep. I have DLCs and updates for the games too.
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