Do you have Thunderbolt 3 on your PC? No? It's not surprising. Your system needs a separate (read: expensive) chip to handle the ultra-fast connector, and Intel hasn't made the specification available to other companies. You're more likely to see the USB-C port that it's based on. You might just see a lot more of Thunderbolt 3 in the future, though. Intel has unveiled plans to not only build the technology into its processors, but to open the spec through a non-exclusive, royalty-free license. Yes, you could theoretically see future AMD-based PCs with Thunderbolt 3 ports, not to mention more (and more affordable) Intel systems, peripherals and cables.
Via: Wired
Source: Intel Newsroom