USB C Technology & Use of Type C Hub

USB C is the latest standard for data and video transfer in MacBook and various other new-age devices. However, not all USB C devices are the same. Even though the usage of USB C ports are much convenient compared to the previous versions, each manufacturer set up the device model supporting various levels of data, power, and video.

USB C is a complicated technology and users need to make sure which accessories are compatible with their host device. Here comes the importance of USB type C hub which can enhance the compatibility of the standard USB-C ports.

USB C Technology & Use of Type C Hub

Some common things to know:

  • To support video output, the USB-C device must support Alt. mode of DisplayPort over USB-C.
  • Dual video out is only supported on devices with Windows 8.1 and above. Chrome and Mac USB-C devices don’t support dual video.
  • The USB-C device must support Power Delivery (PD) to connect to SD4600P dock for charting.
  • To support Ethernet port, Mac devices may need a software driver to be downloaded one time.
  • Run system update for the graphics driver as Intel or AMD on the USB-C device to avoid video issues like flickering.
  • USB-C cable can be connected to Thunderbolt 3 port on Mac Pro devices. Even though USB-C is compatible with Thunderbolt 3, remember it will not support the same speed of TB3.
USB C Technology & Use of Type C Hub
USB C Technology & Use of Type C Hub

Frequently asked questions

There are many doubts and questions users have about USB-C port and type C hub, which we will discuss below.

Q: Whether all types of USB-C accessories and cables work with my laptop having USB-C port?

You need to know the specification of USB-C port on the laptop to understand the feasible accessories. Check the user manual or the portal to understand the specifications. Some of the accessories have ports for power delivery ranging from 5W to 100W, and most of the laptops need closer to 36W or 60W for charging.

Q: What are the various USB-C port components?

USB-C consists of three main components as:

Data transfer: Speed of data transfer may vary from 480MBPS to 10GBPS (in the Gen 2 USB 3.1)

Power delivery: Some laptops may not support powering through USB-C. The traditional power tip is used in such machines for charging.

Video out: some laptops have DisplayPort, VGA, and HDMI video out.

Q: Will USB-A ports on a laptop be compatible with USB-C by using USB-A to USB-C adapters?

USB Type A features only data transmission whereas USB-C is capable of supporting power and video also along with data. So, the USB-C to A adapter may support data transfer; however, the power delivery and video will not work.

Q: How does USB-C cable establish a connection with USB-C port on the laptop?

The device and connected USB-C accessory do a “handshake” on the first connection, which is a quick info exchange on the supported devices and then it starts to work. The hardware and software specs of the USB-C port device determine what functions are allowed and what not and this is communicated to the accessory during the initial handshake.

The USB-C hub allows better connectivity between USB-C compatible devices and also ensure better connectivity between USB devices and MacBook which feature only one USB-C port.

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