Displayport 1 4 Cable Length Limit

The displayport 1 4 standard was first published in march 2016.

Displayport 1 4 cable length limit.

This decision limited confusion in the market place but set the maximum limit for a certified displayport cable at 5 metres. Because displayport was so ahead of its time in terms of bandwidth and resolution capability when it was launched strict limits were set on what cable lengths could be certified. Now i m using one 2 meters cable and two 3 meters cables with two active displayport extenders between them to drive a 2560x1440 monitor at 165hz. Displayport 15 meters about 49ft dvi digital 5 meters about 16 5ft.

The maximum length for passive hdmi cables. Below is a list of common a v signal types and their length limitations. According to dell the maximum recommended cable length to ensure optimal performance is 1 8 meters 6 feet. Slim hdmi cables premium hdmi cables hdmi.

Using anything beyond that increases the chances of the risks mentioned previously. See our longest displayport cable here. If you re just looking to buy a passive hdmi cable then your realistic maximum range is around 25ft. Using a displayport cable beyond 1 8 meters in length may cause data loss and a negative impact to display quality.

For example a standalone hdmi cable can go up to 65 while a standard displayport cable can go up to 15. Therefore an hdmi to displayport cable will be stuck at 15 for its maximum length. While it didn t introduce any new transmission modes and therefore did not increase the available bandwidth or data rate it did maintain the strong showing from displayport 1 3. I ll add that these are the highest quality most expensive cables i could find.

Ymmv with cheaper cables. These standards have been defined by industry associations. That gives displayport 1 4 a maximum total bandwidth of 32 4gbps and a maximum total data rate of 25. For example a thin cable won t be able to transmit a 4k signal as long as a 1080p signal.

When using cables with two different ends the distance limit will be subject to whichever type of connector has the shorter maximum distance. Working up to 165hz. Working up to 165hz.