Multi-Functional 12 IN 1 Microsoft Surface DockEquipped with Surface Connection technology, this triple display Surface pro docking station offers a range of connectivity options for all your peripherals with 2x HDMI ports, 1080P VGA port, 100Mbps Gigabit RJ45 port, 2x USB C data port, 2x USB A 3.0 Ports, SD/TF card slot, 3.5mm Headphone Jack Port, DC Power Port. Surface dock to meet your expansion needs. Surface Docking Station Dual Monitor 2 HDMI (4k)&Triple Monitor VGA (1080P): This Surface docking station will help you easily to achieve dual-monitor and triple-monitor display, make your work/life more efficient; MS Surface Pro Dock Provide your Surface with excellent 4K HDMI and VAG ports. 4K HDMI support resolutions up to 3840 x 2160@30Hz. VGA port supports display resolutions up to 1920 x 1080@60Hz.Note: when connecting three monitors, turn off your Surface screen. 72W Power Supply & 18 Months After-Sales GuaranteeThe latest microsoft surface accessories support