ASUS USB 3.0 Universal Laptop Docking Station (ASUS USB 3.0 Laptop Docking Station) Plug a single USB 3.0 cable from the docking station into your laptop's USB 3.0 or USB 2.0 port for greater connectivity options for displays and accessories HDMI and DVI-I ports provide dual display support for 32-bit color, 2048 x 1152 resolution monitors and four additional USB ports with SuperSpeed USB 3.0 (5 Gbit/s) Gigabit Ethernet port for 10/100/1000 Mbit/s speeds and kensington Security Slot for device protection Slim design ideal for Ultrabook's and adjustable stand props up Ultrabook's for better viewing angles and improved airflow USB PORTS :USB 3.0 downstream port for USB 3.0 device, USB 3.0 upstream port for computer side, I/O PORTS : 1 x MIC in port, 1 x Audio out port ,4 x USB 3.0 port, 1 x DVI-I port, 1 x Standard HDMI port ,1 x 10/100/1000M LAN port, 1 x DC-in jack OS SUPPORTED :Windows 10 , 32bit/64bit Windows 8.1 , 32bit/64bit Windows 8 , 32bit/64bit Windows 7 , 32bit/64bit