Plugable Universal USB 3.0 Docking Station with Dual Video Outputs and 4K Support for Windows 10, 8.1, 7 (HDMI & DVI/VGA, Gigabit Ethernet, Audio, 4 USB 3.0 Ports, VESA Mount Aluminum Mini) FEATURES - Provides SuperSpeed USB 3.0 link from PC to provide dual video outputs, wired Gigabit Ethernet, audio input/output via combination TRRS jack, and four USB 3.0 ports. VESA mounting bracket included to allow optional mounting of dock to monitor which has VESA mounting holes SINGLE 4K HDMI DISPLAY OR TWO 2K DISPLAYS - HDMI output supports resolutions up to 3840x2160@30Hz* if using a single display. DVI/VGA port supports display resolutions up to 1920x1200. If both HDMI and DVI/VGA ports are used simultaniously, both outputs will be limited to a maximum of 1080P COMPATIBILITY - UD-5900 docking station is compatible with Windows 10 / 8.1 / 7. macOS and Linux are NOT supported. Docking station suggested for use with web and productivity software; not recommended for gaming. Does NOT charge host system. NOTES - *3840x2160 output only available when using a single HDMI display. If dual displays are connected, each will be limited to a maximum resolution of 1920x1080 (1080P). 3840x2160 mode operates at a 30Hz refresh rate; lower modes support 60Hz refresh. 3840x2160 output requires monitor which natively supports 3840x2160 via HDMI input. HDMI output not compatible with conversion to DisplayPort or dual-link DVI PEACE OF MIND - We love our Plugable products, and hope you will too. All of our products are backed with a 1 year limited parts and labor warranty as well as Seattle-based email support An HDMI and a DVI port for connecting two external monitors and support for resolutions up to 38402160@30Hz* (with single HDMI display only) and DVI / VGA up to 19201200 (DVI-to-VGA adapter also included) An RJ-45 Gigabit Ethernet network port (also supports 10/100 Ethernet) External headphone/speaker combination TRRS jack Four USB 3.0 ports for accessories (such as an external hard drive or another USB graphics adapter) Windows 10, 8.1, 7, drivers can be automatically installed by Windows Update (with an existing Internet connection) or can be downloaded from Plugable Intel Core i5 or AMD Llano 2GHz or better CPU, 4GB+ RAM, and USB 3.0 connection recommended for productivity/web software at 4K. Single Intel HD 4000, AMD HD 7xxx, Nvidia 5xxM or better recommended for productivity and web software. Intel Core i7/AMD A10 2GHz+, 8GB RAM, and Intel HD 4000, AMD 8650, Nvidia 7xxM or better required for full-screen video playback. When using two 2K displays system requirements will be much lower Requires supported Intel / AMD / NVIDIA main GPU and WDDM compatible driver (most recent systems meet this requirement) Ethernet port requires full-duplex network infrastructure Updated USB 3.0 host controller drivers and graphics drivers suggested for best performance and compatibility Cannot be mixed with non-DisplayLink USB graphics adapters and drivers (e.g. MCT, j5, or SMSC) Mac OS X, ARM-based versions of Windows (Surface RT) and Linux/Unix are not supported 2.4Ghz receivers for wireless keyboards and mice may experience degraded performance when connected directly to the dock. A short USB 2.0 extension cable is recommended for best performance (many wireless keyboards and mice include such a cable) Supports a single HDMI display up to 3840x2160@30Hz, or dual 1920x1200 displays @60Hz DVI dual-link connection and converstion to DisplayPort not supported 3840x2160 (4K) resolution only available with native HDMI monitor. 4K not supported when using HDMI-to-DVI adapter/cable or DVI monitor Does not support HDCP, and will not allow for playback of encrypted Bluray disks or copy-protected content Suggested for web/productivity software; not recommended for gaming Does not provide power to attached host laptop or tablet; the host system will still require its power cable