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StarTech.com USB 3.0 to Dual DisplayPort Adapter 4K 60Hz, DisplayLink Certified, Video Converter with External Graphics Card - Mac & PC Black
Now you can connect two 4K HDTVs (large format display), monitors or projectors to your Windows or Mac computer, even if your laptop or desktop video card doesn't natively support 4K output. The USB 3.0 (male) to dual DisplayPort (female) monitor adapter lets you extend or mirror your primary display onto a two additional UHD monitors or televisions, giving you the additional screen space you need to simplify multi-tasking and maximize your productivity. At four times the resolution of high-definition 1080p, you'll be amazed at the picture quality of a 

Price is $118.00
Price: $117.8