![Buy TRENDnet USB to Serial 9-Pin Converter Cable, Connect a RS-232 Serial Device to a USB 2.0 Port, Supports Windows & Mac, USB 1.1, USB 2.0, USB 3.0, 21 Inch Cable Length, Buy TRENDnet USB to Serial 9-Pin Converter Cable, Connect a RS-232 Serial Device to a USB 2.0 Port, Supports Windows & Mac, USB 1.1, USB 2.0, USB 3.0, 21 Inch Cable Length,](https://www.ubuy.vn/productimg/?image=aHR0cHM6Ly9tLm1lZGlhLWFtYXpvbi5jb20vaW1hZ2VzL0kvNTFReWpKN1NoMUwuX0FDX1NMMTUwMF8uanBn.jpg)
Buy TRENDnet USB to Serial 9-Pin Converter Cable, Connect a RS-232 Serial Device to a USB 2.0 Port, Supports Windows & Mac, USB 1.1, USB 2.0, USB 3.0, 21 Inch Cable Length,
My USB 3.0 device works in my PC's USB 2.0. My USB 3.0 device does not work in my wife's PC's USB 2.0. Why? - Quora
![Buy Easy To Use Durable Adapter Connect Usb 3.0 Motherboard With Usb 2.0 Ports at affordable prices — free shipping, real reviews with photos — Joom Buy Easy To Use Durable Adapter Connect Usb 3.0 Motherboard With Usb 2.0 Ports at affordable prices — free shipping, real reviews with photos — Joom](https://img.joomcdn.net/8aeca53e16082e32d82545eec2c5bd5afcb4fb40_original.jpeg)