8 front accessible USB Type-A ports, Multi-port feature allows connecting several existing peripheral devices simultaneously and avoids frequent plug in and plug out. port Backward compatible with USB 2.0/USB 1.1/USB 1.0 | Quickly adds 8 external USB 3.0 ports through an available 19pin slot for connecting a variety of external USB devices. | Plug and Play: Easy installation, no driver installation required for compatible systems. Compatible with Windows 7/8 / 10 / XP and Mac OSX, Linux. | Supports SuperSpeed USB 3.0 data transfer rates up to 5Gbps providing fast and smooth data transmission; Please note that the actual transmission speed is limited by the setting of the device connected. | Support variety of USB devices including scanners, printers, digital cameras, camcorders, speakers, mice, keyboards, external drives, MP3 players and more.