SIIG 3 Port DisplayPort to HDMI MST Hub 4K UHD - 1x3 DP to HDMI Muti Monitor Splitter - Multi-Stream Transport (MST) Technology - Ultra HD up to 3840x2160 @ 30Hz (4K) - Mirror, Extended, Video Wall 3 MST HDMI PORTS: Boost your productivity by connecting 3 HDMI displays to a single DisplayPort output with Multi-Steam Transport Technology (MST). NOTE: MacOS does not support MST technology and you will get 3 mirrored displays instead of 3 independant displays when used with MacOS! Please contact us before purchasing if you are not sure about compatiblity. 3 MODES: Provides multiple display modes for various applications such as Mirror Mode, Extended Mode, and Video Wall Mode. Please note that Mirror mode using a NVIDIA Surround technology graphics adapter is limited to 2 displays ; Video Wall mode requires either a AMD Eyefinity, Intel, or NVIDIA Surround technology graphics adapter HIGH PERFORMANCE: Supports UHD video resolutions up to 3840x2160 @30HZ (4K), and 7.1ch surround audio to deliver stunning video images and high sound quality. SIMPLE AND DURABLE : No driver or software installation required for this displayport to hdmi mst hub; Built-in woven braided Displayport cable to enhance durability. 2 YEAR WARRANTY WITH GREAT CUSTOMER SERVICE located in the Silicon Valley. Please contact us with any questions or concerns. Mirror Mode Extended Mode Video Wall Mode By connecting multiple screens you are able to accomplish many things. Reference data from a website or PDF while working on a document on another screen. Keep important notifications, such as email or other communication channels, displayed on one screen, while working on a project on two other screens. Watch the game on one screen while going through emails on another. Supports UHD video resolutions up to 3840x2160 @30HZ (4K), and 7.1ch surround audio to deliver stunning video images and high sound quality. No Driver or software required. Built-in woven braided cable for enhanced durability Uses existing video card to minimize the use of system resources. Displayport 1.2 to 3-Port HDMI MST Splitter Micro-USB power cable User Reference Guide