There are exceptions, such as using Caldigit’s USB-C SOHO Dock that uses separate lanes for both video and USB, and so can reach 60Hz. 4K video over USB-C is also limited to 30Hz screen rates. Note that since there are other factors that affect the total throughput, the true speed or the real world speed of both. The maximum speed that USB 1.0 devices can achieve is 12Mbps while 2.0 devices can theoretically achieve up to 40 times of that at 480Mbps.

Macs are mostly limited to just one external display over USB-C because they don’t support Multi-stream Transport (MST). USB 2.0 and USB 1.0 differ in the data transfer rate they are capable of. Many modern monitors now even have their own USB-C ports so can connect directly using a USB-C cable. USB-C’s Alternate Mode (aka “Alt Mode”) for video enables adapters to output video from the USB-C port to HDMI, DisplayPort, VGA and other types of video connectors on displays, TVs and projectors. It can send DisplayPort signals over the same cable and connector as USB signals, so users can hook up external displays with it – if their computers supported it. USB-C is smaller than USB-A with a fast data-transfer rate and can carry up to 100W of power. Indeed, modern laptops often feature just USB-C or Thunderbolt ports, meaning you’ll need a USB-C docking station, Thunderbolt docking station, or USB-C hub to connect devices with other connections.

Color of usb 2 vs usb 3