"Adaptateur USB 3.0 20 broches vers USB 2.0 9 broches, convertisseu...

"USB 3.0 20-Pin to USB 2.0 9-Pin Adapter Replacement Front Panel Converter for Motherboard Computer Peripherals Package:YesModel Number:USB 3.0 20-Pin to USB 2.0 9-Pin AdapterType:USB 3.0 20-Pin to USB 2.0 9-Pin AdapterBrand Name:ALLOYSEED:Mainland ChinaCertification:NONEComputer Peripherals:USB 3.0 20-Pin to USB 2.0 9-Pin AdapterComputer Parts:Adapter USB 3.0 20-Pin to USB 2.0 9-Pin Adapter,ALLOYSEED,Mainland China,NONE,Adapter color: TypeB size: "