DisplayPort 1.2, 1.4 and 2.1: Versions and Cables
DisplayPort 1.2, 1.4 and 2.1 compared: bandwidth, DSC, MST, DP40 and DP80 cable certification, and DisplayPort over USB-C.
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HDMI, DisplayPort and video cables
HDMI versions and cable ratings, DisplayPort, ARC and eARC, long runs and HDBaseT, VGA and DVI adapters, and KVM switches.
HDMI ARC vs eARC: Audio Return Explained
ARC returns stereo and compressed 5.1 over HDMI 1.4; eARC adds uncompressed multichannel PCM and lossless formats like Dolby Atmos. Here is what each needs.
HDMI Cable Types: Standard to Ultra High Speed
HDMI cables are certified by speed, not version. Compare Standard, High Speed, Premium High Speed, Ultra High Speed and Ultra96, and how to verify a label.
HDMI 1.4, 2.0, 2.1 and 2.2: Versions and Cable Speeds
HDMI 1.4, 2.0, 2.1 and 2.2 compared: bandwidth, resolutions, refresh rates, eARC and VRR. Learn why cables are rated by speed, not version.
HDMI vs DisplayPort: Which Cable for Which Screen
HDMI and DisplayPort compared: bandwidth, refresh rates, daisy-chaining and adapters. Pick the right cable for a TV, a gaming monitor or a laptop.
KVM Switch Cables, EDID and USB: A Reference
How a KVM switch works: matching video ports and bandwidth to your monitor, EDID emulation, USB keyboard emulation, and the cables between.
Long HDMI Runs: Active, Fiber and HDBaseT
Why long passive HDMI cables fail, how active copper and fiber HDMI cables work, and when HDBaseT over category cable is the right answer for a long run.
VGA and DVI Today: Connecting Older Monitors
VGA is analogue, DVI can be digital or analogue. Learn which adapters work passively, dual-link DVI limits, and how to connect an old monitor today.