On Fri, Nov 12, 2021 at 05:04:54PM +0100, DocMAX wrote: > It has it's own 60 watts power adapter. I doubt a usb-c port can power 4 x > 3,5 inch hdd drives? > > It's this enclosure by the way: > https://www.fantec.de/en/products/storage-devices/ssd-hard-drive-cases/35-inch-hard-drive-cases/produkt/details/artikel/1695_fantec_qb_35us3_6g-1/ Can you please provide the output from "lsusb -v" for this device? Alan Stern