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8K HDMI Extension Cable: UGREEN HDMI extension cable supports resolution up to 7680 x 4320, refresh rate up to 8K@60Hz, 4K@120Hz 144Hz, transmission speed up to 48Gbps ultra high speed, HDCP 2.2&2.3, Dynamic HDR. Backward compatible with HDMI 2.0,1.4. Upgrade Transmission Speed: This 8K HDMI extension cable gets 48Gbps Ultra High transmission speed since it has been upgraded to HDMI 2.1, this is almost 2.6 times the speed of HDMI2.0. 2X Bold: Triple shieldings effectively protect against EMI interference, ensuring more stable signal transmission. This male to female HDMI extender cable has a stronger cable body than other ordinary 4K HDMI extender cables, whic h prevents signal loss and Transmission is more stable. Upgrade Material: Flexible braided premium nylon and bend tested for 10,000+ times. Nickel-plated ports are not easy to drop and are more durable. Compatible with HD Televisions, TV Sticks, Chromecast, Roku streaming media player, Blu-Ray DVD player, Gaming Consoles, Satellite Box, AV receiver, TV Box, HD cable box, Boxee, Xbox360, Xbox One S, PS5, PS4, PS3, PSVR, Nintendo Wii U, Oculus Rift VR headset, windows 10 PC stick, wall-mounted TV, HDMI Selector Box, PC, etc. NOTE: To ensure 8K@60Hz/4K120Hz, the 1-3.3ft extension cable can be connected 8K HDMI male cable (30AWG) should not exceed 2m(6.6ft), and 6.6ft extension cable can be connected to 8K HDMI male cable (30AWG) should not exceed 1m(3.3ft).