I can get it to work at 144Hz over HDMI, but it doesn't run at 1ms on HDMI. I think you need a display port cable to get 1ms like I got it to work at 144Hz over HDMI. I have the latest drivers for my gpu or apu, then i enable freesync on my desktop, then i enable it in my game in the amd menu, then i enable basic freesync in the monitor menu and boom, it runs at 144hz but gets none 1ms over hdmi so not sure, another point I would like to highlight is that I've been testing this for less than a day so will update this if I use it more often. For me the screen is big and if it were bigger it might not fit on my small desk, well I hope this info helps someone, I had a few pixels because it got damaged in shipping but I was expecting the same , but I can't pay $300 for the same at Wal-Mart or $90 60Hz they had that looked small, this one is big I think
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