11-IN-1 Versatile Microsoft Surface DockEquipped with Surface Connection technology, this triple display Microsoft Surface pro docking station offers a range of connectivity options for all your peripherals with 4K@60Hz HDMI ports, 1080P@60Hz VGA port, 100Mbps RJ45 port, 2x USB C data port, USB A 3.0 Ports, 2x USB2.0 Ports, SD/TF card slot, DC Power Port. Surface dock to meet your expansion needs. Ultra HD 4K@60Hz HDMI & 1080P VGA Triple Displays Surface Dock Hub Microsoft surface pro dock's HDMI and VGA ports support the expansion of two screens, with the native surface screen to form a triple screen display, HDMI video output support up to 4K/60HZ, support for mirroring, expanding, and displaying three modes individually, microsoft Surface pro docking station is a must-have for conference rooms, projectors, and let you the office efficiency by a hundred times.