A carbon-fibre reinforced chassis, the new X1 Carbon is just as durable as its predecessor, and it a smaller footprint making it our lightest, thinnest X1 Carbon ever. Yet it's packed with more power than ever up to Windows 10 Pro, 7th generation Intel Core processors, lightning-fast Thunderbolt 3, and up to an option of a 14inch QHD display. All that, with our legendary ThinkPad heritage and support. The X1 Carbon includes Intel® Thunderbolt 3 the technology that brings lightning-fast Thunderbolt to USB-C at speeds up to 40 Gbps. Connect a cable from your USB-C port to a Thunderbolt 3-enabled device, and get four times the data and twice the video bandwidth of any other port type, while also supplying power. So you get Thunderbolt, USB-C, and DisplayPort. Plus, you can even output to two 4K displays with the Thunderbolt Dock.