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Different Types of Monitor Ports.

Here's a Quick Summary of the Video Input Connector Types

Different types of monitor ports

  • HDMI: Audio and video signal, best for TV to PC connections.  
  • DVI: Video only, perfect for older systems or for 144Hz at 1080p.
  • DisplayPort (DP): The best connector for an audio and video signal, and can transmit 144Hz up to 4K.
  • VGA: Old, legacy video connector. Only to be used when nothing else available.
  • USB Type-C: Newest audio, video, data and power connector. The best laptop connection. 
  • AV:  AV input is a common label on a connector to receive (AV) audio/visual signals from electronic equipment that generates AV signals (AV output).
  • NDI:  Network Device Interface - Format that allows you to send audio and video via ethernet network
  • SDI:  SDI Serial Digital Interface is a professional video signal that is preferred in production environments because of its longer range (up to 300 feet) and reliability since it’s typically sent along with BNC Cabling that has specialized connectors on each end to lock into the devices they connect to

Monitor with VGA Port.

The then-leading IBM computer manufacturer developed the first connection standard, used today too, in 1987 for its PS / 2 series PCs. The blue trapezoidal interface worked perfectly with old CRT displays, thanks to its analogue nature. But then flat LCD digital screens appeared, resolutions began to grow, and the time-honoured VGA port started to give up ground. Today, it is more rarely integrated, but until now, an array of devices such as home players, projectors, TVs, etc. are still equipped with VGA ports. Probably, for several more years more, it will remain not as desirable, but still the ubiquitous standard.

Monitor with VGA port.

Monitor with DVI Port.

This abbreviation stands for Digital Visual Interface. It transmits a video signal in digital format while maintaining high image quality. In the mid-2000s, DVI replaced the rapidly outdated VGA. The ability to transmit both analogue and digital signals, support for large (in that era) resolutions and high frequencies and the lack of inexpensive competitors led to DVI becoming a standard port for today. Low-cost video cards are equipped with the Single Link DVI. The maximum resolution, in this case, is 1920x1080 pixels - Full HD. More expensive video card models have a Dual Link DVI interface. They can be connected to monitors with a resolution of up to 2560x1600 pixels.

Monitor with DVI port.

Monitor with HDMI Port – The King of Multimedia. 

HDMI stands for High Definition Multimedia Interface. In modern home entertainment devices, such as flat-panel TVs and Blu-ray players, HDMI is the standard connection interface. As in the case of DVI, the signal is transmitted in digital format, which means maintaining the original quality. Together with HDMI, HDCP (High Bandwidth Digital Content Protection) technology was developed to prevent the piracy and illegal copying of video materials. The first devices with HDMI support appeared in late 2003. Since then, the standard has been changed several times; in particular, support of new audio and video formats has been added.

 Monitor with HDMI port – the king of multimedia.


Monitor with Display Port – Only Becomes Ubiquitous.

For many years, computers were rarely equipped with this competitor of HDMI this in spite of the fact that DisplayPort has many strengths:
• Support for very high resolutions along with stereo signal;
• Audio transmission;
• Impressive length of cabling

This interface technology is even more profitable for manufacturers than the licensed HDMI: they do not need to pay the developers the 15-25 cents that would be necessary for users of HDMI. Although in its first years of existence this type of connector was not particularly popular, now computers are more often equipped with a pair of Display Ports.

Monitor with a USB port.

The connection with the help of USB connector became possible when version 3.0 appeared. Using the DisplayLink adapter, you can connect a monitor with a DVI / HDMI connector to the USB port of your laptop or computer. Such ports are the standard for connecting external devices, which all manufacturers of these devices are eager for. USB ports connect mice, keyboards, printers, scanners, modems, card readers, flash drives, cameras, cell phones, players, hard drives, optical drives, etc. This connector is needed for those who plan to work simultaneously with multiple monitors.

In Conclusion.

Having become acquainted with all types of ports, now you understand what exactly you need. All have to do now is to go to and get the products which best fit your needs.

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