Question: what hz does hdmi support?
Answer: Standard Speed HDMI Cable — Rated for speeds of at least 2.2275 Gbit/s. This means it will support formats at least up to 720p 60 Hz or 1080p 30 Hz. High Speed HDMI Cable — Rated for speeds of at least 10.2 Gbit/s. This means it will support formats at least up to 1080p 144 Hz, 1440p 85 Hz, or 4K 30 Hz.