With an HDMI splitter, you can send a single input signal to multiple displays. This little device comes in handy when you want to watch a sports game on multiple TVs throughout the home ...

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For comparison: HDMI 2.1 transmits data at up to 48Gbps, allowing for refresh rates of up to 120Hz at 4K resolution. Its main competition comes in the form of DisplayPort 2.1, which can reach 80Gbps.

Something to look forward to: CES is just a few weeks away, and it turns out that one of the many new tech products on show will be the new HDMI 2.2 ... to support DisplayPort 2.1 There are ...