SSD, external HDD that do not require power and flash drives can be connected as much as possible + only one hard drive that requires power. When a second such disk is connected, the first one is disabled and only the last one is visible (for me). The power supply must be appropriate 5v 2a. First you need to connect a USB hub without power to be detected by the system, then connect the power and disks. For such a price, quite satisfied. For windows tablet and not only very good. I give five.
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