The U442-DOCK1 USB 3.1 Gen 1 USB-C Docking Station turns your computer, laptop or tablet into a versatile workstation. By connecting its built-in cable to your device's USB-C port, you'll be able to add an external display, access Gigabit Ethernet networks, transfer data, display video and more. Mini DisplayPort, VGA and HDMI ports allow you to connect an external display (one display at a time). With the addition of adapters (sold separately), you can also add a DVI or DisplayPort display to the U442-DOCK1. The Mini DisplayPort and HDMI ports support UHD video resolutions up to 3840 x 2160 (4K x 2K) at 30 Hz. The VGA port supports HD video resolutions up to 1920 x 1200, including 1080p, at 60 Hz. Connect a Gigabit Ethernet cable (sold separately) to the RJ45 port to access true 10/100/1000 Maps network speeds. Three USB-A hub ports are convenient for connecting peripherals to your device. Each supports data transfer rates up to 5 Gaps. A dedicated BC 1.2-compliant USB port provides up to 1.5A of fast-charging power. The U442-DOCK1 also features a USB-C Power Delivery (PD) port that supports power input up to 20V 3A (60W). It connects to a USB-C wall charger to power the device it's plugged into, as well as peripherals plugged into the USB-A ports. Micro SD and SD/MMC memory card slots also provide access to external memory. A 3.5 mm audio jack is convenient for connecting speakers, headphones or a microphone to your connected device. USB Type-C and USB-C are trademarks of USB Implementers Forum.