HDMI 2.1: Bandwidth and Resolution
HDMI 2.1 (2017) has 48 Gbps bandwidth and supports 8K@60Hz or 4K@120Hz. It has 19 pins and adds VRR and eARC.
Open the interactive Standards & Sizes tool →Key facts
| Bandwidth | 48 Gbps |
|---|---|
| Max resolution | 8K@60Hz / 4K@120Hz |
| Pins | 19 |
| Year | 2017 |
| Features | VRR, eARC, FRL |
Frequently asked questions
What resolution does HDMI 2.1 support?
HDMI 2.1 supports 8K@60Hz and 4K@120Hz, with 48 Gbps bandwidth.
Do I need a special HDMI 2.1 cable?
Yes. To hit 48 Gbps you need an Ultra High Speed certified HDMI cable.
Related pages
HDMI 2.1 Spec is part of Standards & Sizes on GOAT Lab — a free reference you can use without signing up, and it works offline. Open the tool above for any custom value.
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