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Adafruit USB Type C Breakout Board - Downstream Connection : ID 4090 : $2.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Buy Tripp Lite USB 2.0 Hub Industrial 4Port at Connection Public Sector Solutions
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display - What do the upstream/downstream USB ports on a monitor do? - Super User
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/ULI-417CI_01--20231005131926.jpg "BB-UHR307-CIRCUIT MODULE, USB 2.0 Hub, Isolated, 7 Port, Industrial")
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/ULI-414CI-3--20230913173431.jpg "USB Isolator, BB-UHR304, High Retention USB Isolator")
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StarTech Startech 4 Port USB 2.0 Hub- 4 x 4-pin Type A Female USB 2.0- USB Downstream 1 x 4-pin Type B Female USB 2.0- USB Upstream- External at Lowes.com
USB hub - Wikipedia
High Speed 4-Port USB HUB4PH
