Displayport Cable Lengths

Active cables are specifically designed to exceed the suggested maximum lengths and are tested at the listed specifications for example the maximum listed resolution.

Displayport cable lengths.

35 ft displayport cable with latches m m. This decision limited confusion in the market place but set the maximum limit for a certified displayport cable at 5 metres. Panel mount displayport extension cable. Therefore an hdmi to displayport cable will be stuck at 15 for its maximum length.

As with other cables the length has a direct impact on the quality of the information being transmitted. Displayport cables up to 50ft. I ll add that these are the highest quality most expensive cables i could find. All standard displayport cables support rbr hbr high bit rate and hbr2 high bit rate 2 which can support 4k at 60hz.

Keep in mind however that multiple connections can weaken the signal so daisy chaining extensions may result in a shorter practical maximum length. Ymmv with cheaper cables. The greater the distance the higher the. 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.

There have been various standards of hdmi cables available on the market but the typical cable available today is under the high speed hdmi certification. The displayport standard does not specify any maximum length for cables though the displayport 1 2 standard does set a minimum requirement that all cables up to 2 meters in length must support hbr2 speeds 21 6 gbit s and all cables of any length must support rbr speeds 6 48 gbit s. A standard displayport cable including the so call displayport 1 1 cables will work for any displayport configuration including the new capabilities enabled by displayport 1 2 including 4k and multi stream capabilities. Displayport can be extended with a passive cable up to its maximum spec length.

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. Unfortunately as is often the case with low cost consumer appliances not all high speed hdmi cables can actually deliver the proper quality.