USB C to USB Hub Long Cable 4 FT, uni Slim Type-C to USB 3.0 Splitter [Thunderbolt 3/4 Compatible] for MacBook Pro/Air M1, Dell XPS, Surface Laptop 4 | HDD, MIDI Devices,
DOREMiDi NEW HUB-8 MIDI 6x6 USB MIDI Host x2 USB3.1 MIDI Hub Box | eBay
ESI M4U eX 8-Port USB 3.0 MIDI Interface With USB Hub | PSSL ProSound and Stage Lighting
Amazon.com: Samson Carbon 49 MIDI Controller Keyboard 49-Key + 4-Port USB 2.0 Hub with Individual LED Lit Power Switches + Cable - Deluxe Accessory Bundle : Musical Instruments
iConnectivity mioXL 22-Port Ethernet MIDI Interface and MIOXL
Alesis V25 | 25-Key USB MIDI Keyboard & Drum Pad Controller + 4-Port USB 2.0 Hub GUH285 + Cable + Cleaning Cloth - Walmart.com
Basics of USB-MIDI -
DOREMIDI USB HUB 2.0 Hi-Speed 4 USB Ports Hub for Hi-Speed USB MIDI Host UMH-21 | eBay
Finally, Connect a USB Hub and Audio in One Gadget, on Laptop or iPad - CDM Create Digital Music
Alesis Control Hub USB MIDI Interface with Audio Output | eBay
Amazon.com: Miditech USB MIDI Host MIDI Interface : Musical Instruments
Midi Converter Box | Midi Usb Converter | Usb Midi Host Box | Usb Midi Host Hub - Stage Audio - Aliexpress
Midihub Documentation
Akai Professional MPD218 MIDI USB Pad Drum Beat Controller + 4 Port USB Hub + MIDI Cable & Ties | Reverb