How many HDMI cable categories are there?

Four certification tiers: Standard, High Speed, Premium High Speed, Ultra High Speed.

Answer: four certification tiers, each tied to a bandwidth.

TierBandwidthTypical use
StandardUp to 1080iLegacy / short runs
High SpeedUp to 10.2 Gbps1080p, early 4K
Premium High Speed18 Gbps4K60 4:4:4
Ultra High Speed48 Gbps8K60 / 4K120

These are certification categories, not marketing words. Ask for the tier by name in writing — "high quality HDMI cable" has no defined meaning.

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Frequently asked questions

How many HDMI cable categories are there?

Four: Standard, High Speed (10.2 Gbps), Premium High Speed (18 Gbps) and Ultra High Speed (48 Gbps).