Quick Links Why Does HDMI Cable Length Matter? Maximum Length of an HDMI Cable Active and Optical HDMI Cables Plenty of Options for a Long HDMI Cable Long HDMI cables can come in handy in various situations, from setting up a home theater to connecting digital signage. But is there a limit to HDMI cable length? Here's everything you need to know.
Active HDMI cables (HDMI extenders) use electronics within the cable to boost the signal and allow for HDMI cables of up to 30 meters; those based on HDBaseT can extend to 100 meters; HDMI extenders that are based on dual Category 5/Category 6 cable can extend HDMI to 250 meters; while HDMI extenders based on optical fiber can extend HDMI to
Colm · #18 · May 17, 2011. Two 15' high speed HDMI cables in series does not equal a 30' high speed HDMI cables. Longest certified high speed passive HDMI cable is about 25'. That said a 30' cable of the same construction should work just fine for most folks because most of use aren't pushing the limits of HDMI bandwidth.
* For UHD resolutions: maximum HDMI cable length on output varies from 5 meters to 20 meters depending on cable quality and connected UHD display’s equalization. Connectors Digital video inputs: HDMI connector, DVI connector, DisplayPort Analog video inputs: VGA connector Audio inputs: Stereo jack, 5‑pole Phoenix Ethernet: RJ45 Control: 7 x
Over copper you can only go so far without active signal processing being involved. 15m without 60m+ with. How far you can go over copper is highly dependant on the quality of the cable hence it is reasonable to assume that a cable that works at 15m is "better" than a cable that only works up to 5m. If you want to go really long distances then
Cat 6 Ethernet cables, for example, can operate at up to 10 Gbps at lengths up to 55m (180 feet), but will be limited to just 1 Gbps once you go over that threshold, and continue to do so up to the maximum of 100 meters. A Cat 6A, on the other hand, will be able to manage 10 Gbps at up to 100 meters, while a Cat 8 cable may be able to handle
That's fine for the average living room setup, connecting your new Xbox Series X, PS5, or RTX 3000/4000 graphics card to your HDMI 2.1 TV, but you'll need an active cable to go further if you want to maintain the full 48Gbps bandwidth of HDMI 2.1. HDMI cable length for active HDMI 2.1 connections can increase dramatically whilst retaining full
45-50 feet is generally considered the maximum reliable length for HDMI cables. You can go longer, but you usually need special cables which boost the signal. It also depends on what kind of images are being sent. Over 25, or 50 I can't recall, most HDMI cables will be omni-directional.
Keep in mind that even below that length, bandwidth may suffer — 1.0 cables, for example, can only maintain full bandwidth up to 2 meters (a little under 6.6 feet). Guides PC
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maximum hdmi cable length meters
