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USB 2.0 Powered Hub - 7 Ports with 5V 2A Power Supply : ID 961 : $32.95 : Adafruit Industries, Unique & fun DIY electronics and kits
DELOCK 85484: PoweredUSB cable male 12V > 2x 4 Pin, 3 m at reichelt elektronik
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Powered USB 24V 轉USB B公頭+ Power DIN 3 Pin - 順仁電子科技股份有限公司SUNCA CO.,LTD
UGREEN USB 3.0 to 3×USB3.0 +RJ45 (1000M) Ethernet Adapter Type-C Power Supply - USB Hub | alza.sk