HDMI 2.1 Cable Guide

Pick the right cable for 4K120/8K, VRR, ALLM, and eARC—without wasting money.

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Rule of thumb: 1–2 m runs are easiest; 3–5 m try active copper; 10 m+ use active optical HDMI.

Cable length & type—what to buy

Length	Type	Best for	Notes
1–2 m	Passive Ultra High Speed	Most console/PC setups	Highest success rate at 4K120 + VRR.
3 m	Passive UHS (quality matters)	TVs a bit farther	Prefer reputable brands; route carefully.
5–10 m	Active copper	Projectors / long wall runs	Direction matters (Source→Display).
10 m+	Active optical HDMI	Very long runs	One‑way; more fragile than copper.

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• 48 Gbps • 4K120/8K • Certified

• 48 Gbps • 4K120/8K