The Kensington USB 3.0 Dual 4K Display Docking Station is currently offered by Amazon for $132. Based on their $180 rate, the current $9 offer reduces a new all-time low to the previous rate. This docking station provides ample I/O to almost any system if you expand a single USB 3.0 port into 11 additional ports. You can enjoy Gigabit Ethernet and two display port outputs along with six USB 3.1 ports. This means that two 4K monitors at 60Hz can be powered by this port. 4.3/5 stars rating from 420 clients.
Universal USB Type “A” Dual 4k Dock works with laptops that have a USB-A port; also works with Surface Pro 7/6/5/4, Surface Laptop 3/2, and older MacBook’s (Mac OS version 10 14 and later) with a USB-A port; the USB-A cable (included) from your laptop to the docking station provides all the connectivity – so your displays and peripherals can stay at home or at the office – just attach the one included 3-meter USB-A cable and you’re off and running
6 SuperSpeed USB 3.1 ports (backward compatible to USB 3.0 and 2.0) that support high-speed data transfer up to 5Gbps and phone charging (2 ports 5v/2.4a, 4 ports 5v/.9a); use these ports for charging devices and for peripherals like a keyboard, mouse, wireless dongles, printers, and other accessories; Gigabit (10/100/1000) Ethernet, external headphone, and microphone jacks with audio 2.0 for enhanced sound quality; Power switch
Dual 4k Display @ 60Hz via two Displayport outputs (DP++); if your monitors do not have a Displayport type inputs, you can use DisplayPort to HDMI (or VGA or DVI) cables; also supports lower resolutions like 3440×1440, 2560×1440, 1920×1080; add a third monitor using a USB-A to DVI Display Link adapter (Kensington part #K33974AM or similar)
Power supply included to power the dock and all the ports (does not supply power to a laptop); 3-meter USB-A cable included for flexibility in your dock location; for MacBooks download the latest Display Link drivers from the Display link website