Delock Products 61506 Delock Adapter USB 2.0 Type-A to 1 x Serial RS-232 D-Sub 9 pin male with nuts
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USB 3.0 Hub Mehrfachstecker - Multiport USB Verteiler, Dockingstation mit 4 USB 3.0,3 USB 2.0 Ports Kompatibel mit MacBook Mini,iMac,Huawei MateBook,Windows Laptops und Ultrabooks,PC: Amazon.de: Computer & Zubehör
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Amazon.com: Lian Li PW-IO2AH100 USB 3.0 to USB 2.0 Converter : Electronics