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3768 3.0 usb pcb products are offered for sale by suppliers on Alibaba.com, of which pcba accounts for 4%, usb flash drives accounts for 2%, and ckd kits and parts accounts for 1%. A wide variety of 3.0 usb pcb options are available to you, such as factory, odm and oem/odm.You can also choose from electronic device, 3.0 usb pcb,as well as from hasl 3.0 usb pcb