What is DisplayPort?
DisplayPort, or DP for short, is an audio and video interface standard managed by the Video Electronics Standards Association (VESA). DisplayPort was originally intended to replace older video interfaces such as DVI and VGA, and was primarily used in desktop computers, laptops, and projectors.
buy a DisplayPort cable
transfer speed
All DisplayPort cables support the same functionality. The main difference between them is the transfer speed. Resolution, color depth, number of monitors, refresh rate all depend on how much data the cable can transfer.
Updates to the DisplayPort standard often include increases in transfer speed (also known as bandwidth). To make it easier to find the cable you need, the VESA DisplayPort Task Force names transfer speeds.
Cable Length
Passive cables carry signals, the longer the cable or the more data (higher resolution) you are trying to transmit through the cable, the more likely the signal will weaken and suffer from errors and interference.
The maximum length of passive DisplayPort cables is at least 15 meters/33 feet. Depending on the quality of the cable and other factors, you can transmit video and audio over greater distances.
Passive vs Active Cables
If you need more distance, you have two options: a signal booster or an active cable. Both do essentially the same thing. They regenerate or increase signal strength for further transmission. Active cables can easily reach 150 feet or more, depending on the resolution.
What is Dual Mode DisplayPort?
Devices that support DisplayPort Dual Mode will detect when HDMI and DVI single link displays are connected and will send HDMI/DVI signals instead of DisplayPort. This is an optional feature implemented by some device manufacturers, but not required. How do you know if your laptop or dock supports DisplayPort Dual Mode? The port is sometimes marked with the DP++ logo, but not always. See the documentation that came with the device.
DisplayPort and HDMI. what's the difference?
DisplayPort and HDMI are often compared because they have many of the same features. Aside from the fact that DP and HDMI use different connectors, DisplayPort is more computer-focused, while HDMI has become the de facto standard for connecting TVs and consumer AV products. With its higher bandwidth, DisplayPort supports higher display resolutions and refresh rates, making it a popular choice for gamers and professional video editors.
Does DisplayPort support audio?
Yes, DisplayPort can carry multiple channels of digital audio and video simultaneously, although it's not always implemented by device manufacturers. If your PC graphics card or laptop supports DP audio, you'll be able to stream audio to the monitor's built-in speakers, or connect the speakers to the monitor instead of the computer.
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