Computer monitor with true hdmi 2.1 does this exist yet?
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Solved by Eigenvektor,
Quotei would need a dp 1.4 to get 240 hz 1440p?
Yes, you would need DP 1.3/1.4.
The 4080 has DP 1.4a, so I'm fairly certain that's what the laptop will have as well. So it should work fine over the USB-C ports with a compatible cable, that supports the necessary bandwidth (i.e. HBR3)
2560 x 1440 x 240 Hz requires a bandwith of close to 25 Gbps, so you will need a cable that supports at least this bitrate. A VESA certified cable should be marked as supporting HBR3 (High Bit Rate 3)
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