The Dell WD19S Dock with 90W Power Delivery can support up to two 4K displays at 60Hz or three QHD displays at 60Hz Docking station features two DisplayPort 1.4 ports, one HDMI 2.0 port, one USB-C 3.2 Gen 2/DisplayPort, one USB-C 3.2 Gen 2, three USB 3.2 Gen 1 Type-A ports (one with PowerShare), and a Gigabit Ethernet port Additional Features: 90W Power Delivery for quick charging and mounting provision for saving space. Enjoy advanced security with MAC and remote port disablement enhancing manageability and security MK650 Combo for Business upgrades your typing experience with Perfect Stroke keys and a contoured mouse with ultra-quiet clicks. Work seamlessly across devices (Mac & Surface Compatible) Upgrade your setup with the convenient Dual Monitor Desk Mounted Stand, compatible with screen sizes from 13 to 30. Adjustable joints and detachable plates for easy mounting, and perfect alignment with 0.5 height adjustments. Includes heavy-duty C-clamp and grommet mounting options