Having a fully compatible USB-C, USB4, Thunderbolt 3, or Thunderbolt 4 port is required for this docking station, it will not work properly when adapted to USB 3.0. Not all USB-C ports offer DP Alt Mode or PD charging. Note: New and innovative products aren't without compatibility concerns, it is important to read the information below for details regarding display output types and system requirements. This dock is also one of the first to support USB Power Delivery, enabling the dock to charge a laptop, 2-in-1, or Windows tablet connected to it (up to 60W). Utilizing innovations introduced with USB 3.1, this dock is one of the first to use DisplayPort 'Alternate Mode' from the USB-C specification for the primary display output. Plugable is an industry leader in Docking Station products, and this dock is no exception. Instantly turn your Windows or Mac laptop into a multi-monitor desktop-by connecting a single cable-with the Plugable 4K Triple Display USB-C Docking Station (UD-ULTC4K) All of our products are backed with a 2-year limited parts and labor warranty as well as Seattle-based email support 2 YEAR WARRANTY-We love our Plugable products, and hope you will too.Supports Intel and M1 Macs (macOS 10.14+ with driver installation) IMPORTANT NOTES-The full product description has important info regarding requirements and limitations of this dock.Support for these features is determined by your computer manufacturer. USB-C FEATURES-USB-C and Thunderbolt 3 ports can enable features such as USB Alternate Mode (Alt Mode) and USB Power Delivery (PD) charging.Video adapters (not included) can convert DisplayPort to VGA, single-link DVI, or HDMI

HDMI AND DISPLAYPORT-This dock features 3 video outputs including 1x HDMI 1.4 output capable of 4K 30Hz, and 2x DisplayPort 1.2 (DP++) outputs capable of 4K 60Hz.TRIPLE 4K DISPLAY DOCK-With a compatible USB-C or Thunderbolt 3 Mac or Windows laptop, or Windows tablet, this dock can charge your device, connect up to 3 monitors, add a Gigabit Ethernet connection, add 3.5mm headphone and microphone jacks, and add multiple USB ports.

4k display for mac