Features Single or Dual 4K Video Output (@ 60Hz) Delivers Ultra High Definition images for USB 3.0 enabled laptops. Windows and macOS Compatible The SD4100v is compatible with Windows 7 and above, and macOS 10.14 and above. Six USB Ports (USB 3.1 Gen1 @ up to 5Gbps) Front: 2x USB-A 3.1 Gen1 with (1) up to 5V/2.4A; Back: 4x USB-A 3.1 Gen1 up to 5V/0.9A (3m USB-B to USB-A cable included) Independent Power Switch, Gigabit Ethernet, and Headphones and Microphone Jacks Power off the dock when not in use. Use an Ethernet cable for a faster, more reliable connection. Headphones and microphone jacks add flexibility and convenience. Free Kensington DockWorks Software Ensures the best connection, performance, and security from your dock with WiFi Auto-Switch, MAC Address ID Pass-Through and Reset, and Device Connection Monitoring. 3-Year Warranty Rest assured knowing you’re covered by Kensington. The SD4100v 5Gbps USB 3.0 Dual 4K Docking Station - DP++/DP++ - Win/Mac is the ideal solution for single or dual 4K @ 60Hz on USB 3.0 enabled laptops. Features include Windows and macOS compatibility; six USB ports; an independent power switch; Gigabit Ethernet, headphones, and microphone jacks; free Dockworks software; and a three-year warranty. Best For: USB 3.0 Laptops, Ultrabooks, and Windows tablets and monitors that support up to 4K Connection Technology: USB 3.0 (DisplayLink) Power Delivery: N/A Compatibility: Windows 7 and above, macOS 10.14 and above # of Monitors Supported: 2 Video Ports: 2x DisplayPort 1.2++ Maximum Resolution Supported: Single or Dual 4K Monitors: 4096 x 2160 @ 60Hz Plug & Play: DisplayLink driver installation required System Requirements: USB 3.0 (Type-A) laptops Warranty: 3 Years