Amazon.com: ESI M4U eX: 8-Port USB 3.0 MIDI Interface - Class-Compliant, Plug-and-Play Connectivity for PC/Mac, with Standalone Functionality & Integrated USB Hub, Includes Free Cubasis LE for iOS : Musical Instruments
MeeBlip cubit duo: USB MIDI interface and MIDI thru | meeblip
Conduit TRS & USB MIDI Hub - Strymon
Searching for multiple USB host device for MIDI USB controllers (4 OR MORE)
multifunction usb hub 4 in 1| Alibaba.com
The best MIDI USB host is wireless, compact and super smart…
DOREMiDi NEW HUB-8 MIDI 6x6 USB MIDI Host x2 USB 3.1 MIDI Hub Box
ESI M8U eX 8-port MIDI Interface - The Midi Store
ESI M8U eX 16-Port USB 3.0 MIDI Interface With USB Hub | PSSL ProSound and Stage Lighting
Retrokits / USB-HUB
High-Speed USB MIDI Host Box MIDI Host USB To MIDI Converter USB HUB Ports Hub | eBay
DOREMiDi NEW HUB-8 MIDI 6x6 USB MIDI Host x2 USB 3.1 MIDI Hub Box
DigitalLife USB MIDI Host - UHOST-I, 5 Pin DIN MIDI Interface
M-Audio
PreSonus ATOM SQ Hybrid MIDI Keyboard with Knox Gear Headphones and USB Hub 3.0 - Walmart.com