USB 3.0 Dual Port Front Panel to Motherboard 20Pin Connector Cable for PC 3.5' Floppy Bay Super Speed: The 3.5' front panel USB hub uses the latest USB 3.0 chip with a maximum transmission speed of 5Gbps. You can transfer files in seconds with the USB 3.0 ports Plug and Play: Instantly add 2 ports through an 19pin slot. Fully plug and play without any drivers. Compatible with Windows 10/8/8. 1/7/ Vista/ XP and Mac OS X, Linux and chrome OS. ( the USB 3. 0 hub reverse compatible USB 2.0 and USB 1.1) Convert your 3.5 floppy disk drive space into 2 USB 3.0 ports. Increase the scalability of desktop computers to meet various needs.