Display Cables

DisplayPort 1.0, approved by VESA on May 3, 2006, was the original version of the royalty-free digital display standard. Its High Bit Rate (HBR) mode delivered 10.8 Gbps raw bandwidth across 4 lanes, with hot-plug detection and embedded digital audio built in from the start.

DisplayPort 1.2, released January 7, 2010, doubled maximum bandwidth to 21.6 Gbps via a new High Bit Rate 2 (HBR2) mode, enabling 4K at 60Hz for the first time. Its headline feature, Multi-Stream Transport (MST), lets multiple monitors daisy-chain from a single DisplayPort output.

DisplayPort 1.4, released March 2016, kept the same 32.4 Gbps HBR3 link rate as 1.3 but added Display Stream Compression (DSC) 1.2 -- a visually lossless compression scheme that extends the same bandwidth to resolutions like 8K at 30Hz that wouldn't otherwise fit.

DisplayPort 2.1, announced October 2022, is a certification-level refinement of the DisplayPort 2.0 specification VESA released back in June 2019. Its fastest UHBR20 mode delivers 80 Gbps raw bandwidth -- enough for a single 10K display at 60Hz uncompressed, or multiple high-refresh 4K/8K displays daisy-chained with compression.

DVI (Digital Visual Interface) comes in five variants -- DVI-D (digital only, 19 or 25 pins), DVI-I (digital + analog, 23 or 29 pins), and DVI-A (analog only, 11 pins) -- with single-link supporting up to 1920x1200 @ 60Hz and dual-link up to 2560x1600 @ 60Hz.

HDMI 1.0, released December 9, 2002 by a group of seven consumer electronics companies, was the original single-cable digital audio/video connector. It carried up to 4.95 Gbps over TMDS signaling -- enough for 1080p at 60Hz -- replacing separate analog video and digital audio cables with one connector.

HDMI 1.3, released June 22, 2006, roughly doubled maximum bandwidth to 10.2 Gbps and introduced Deep Color (up to 48-bit color depth), lossless audio bitstream support for Dolby TrueHD and DTS-HD Master Audio, and the smaller Type C Mini connector.

HDMI 1.4, released in 2009, added the HDMI Ethernet Channel, Audio Return Channel (ARC), and stereoscopic 3D video support, plus a 4K mode -- but capped at 24-30Hz, since bandwidth stayed at 10.2 Gbps. The even smaller Type D Micro connector was also introduced.

HDMI 2.0, released September 4, 2013, raised maximum bandwidth to 18 Gbps, finally enabling 4K resolution at 60Hz. It also increased maximum audio to 32 channels; HDR support followed later via the HDMI 2.0a update in 2015, not the original 2.0 release.

HDMI 2.1 increases total bandwidth to 48 Gbps via Fixed Rate Link (FRL). It mandates Ultra High Speed HDMI Cable certification and supports Variable Refresh Rate (VRR), Auto Low Latency Mode (ALLM), and eARC.

VGA (Video Graphics Array) uses a 15-pin DE-15 D-subminiature connector, introduced by IBM in 1987 alongside the original PS/2 computer. As a purely analog standard with no enforced resolution ceiling, its practical maximum depends on cable and DAC quality, though 2048x1536 @ 85Hz is commonly cited as a practical limit.