Just been to an open decks night and the CDJs didn't recognise my USB. Formatted in FAT32, synced via Rekordbox and sucessfully used a few weeks ago. I even re-formatted the drive
UGREEN 7-in-1 USB C Hub 4K@60Hz Type C to HDMI Dongle with Gigabit Ethernet, USB 3.0 Ports, 100W PD, SD/TF Card Reader, USB-C Dock for Steam Deck, MacBook Pro/Air M1 2022/2021, iPad
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Amazon.com: 8K USB C HDMI Hub, Steam Deck Dock, USB C Adapter with 8K@30Hz, 4K@120Hz/60Hz/30Hz Ultra HDR Display, PD 100W, USB 3.0 * 2 for Steam Deck, MacBook Pro, Laptop with Thunderbolt4/3,