Amazon.sg:Customer reviews: UGREEN 2 Pack Hdmi Coupler 4K Hdmi Adapter Female To Female Hdmi Connector Support 3D 4K 1080P Hdmi Extender For Hdtv Roku Tv Stick Chromecast Nintendo Switch Xbox One Playstation 4 Ps 3 Laptop Pc
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Using this to easily switch out where my output goes from my Nvidia RTX 3090. Both my monitor and my Atomos Ninja V recognize the signal when it goes through this adapter, which is great. It works well with my HDMI 2.0 and HDMI 2.1 cables, although I believe this little adapter only handles up to HDMI 2.0 throughput, so don't expect to get 8K going through this. 4K 60fps should be no problem though. Only running HDMI cables that are 1m to 2m long, if your cables are very long this may not be suitable due to signal degradation.