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Article Number: 000125170


HDMI to DisplayPort (DP) Conversion Information

Summary: General information on HDMI to Display Port (DP) conversion adaptors.

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This article contains information about HDMI to DisplayPort (DP) converters.


HDMI to DisplayPort Conversion

There has been some confusion when using HDMI to DP or the opposite way adapters on Dell systems. There are two types of conversion adapters that can be used. The first is an active adapter and the second is a passive adapter type. Most adapters only carry a one-way signal.

SLN300191_en_US__1icon What is the difference between a passive and active DisplayPort converter?
When you convert video from a source that uses DisplayPort or Mini DisplayPort to DVI or HDMI (ex: a computer to a monitor). Consider the difference between passive and active adapters.

If the source supports dual-mode DisplayPort (also known as DP++), then you can use a passive adapter because the source can perform the conversion. If the source does not support DP++, then you need to use an active converter, which includes additional chips to perform the conversion.

Thunderbolt ports support DP++ natively. To run multiple monitors from the same computer, refer to the Active Adapters section below.
 

  • Active Adapters
    Active adapters use additional chips to make the conversion inside the adapter, regardless of whether the source supports DP++. This means that active adapters are more expensive than passive adapters.

    If you want to use multiple monitors with the same computer. You should use an active adapter because some video cards cannot run the maximum number of monitors while using DP++. This is especially true if the computer has more than one DisplayPort or Mini DisplayPort connection. Check with your video card manufacturer to confirm which type of adapter you need for the setup that you would like to run (Figure 1 & 2).
    SLN300191_en_US__2HDMI2DisplayPort-1
    (Figure 1)

    SLN300191_en_US__3HDMI2DisplayPort-2
    (Figure 2)
     

  • Passive Adapters
    Passive adapters are less expensive since they do not need to include additional chips (Figure 3). To check whether you can use a passive adapter, is to see if the DisplayPort or Mini DisplayPort source has the DP++ symbol above it. The symbol is a D with a P inside, with two + signs to the left, one on top of the other (Figure 4).
    SLN300191_en_US__4DisplayPort2HDMI-1
    (Figure 3)

    SLN300191_en_US__5DualMode-DP-symbol
    Figure 4

    Additional Information

    Additional Information can be found in the links below.

     

Article Properties


Last Published Date

21 Feb 2021

Version

3

Article Type

Solution