MSI Launches Real HDMI 2.1 Ready Optix M281URF 4K Gaming Monitor with 144Hz Refresh RateMSI's new Optix MAG281URF 4K Gaming Monitor proudly says no to fake 'bullshit' and offers real HDMI 2.1 support instead of rebadging HDMI 2.0 under a#Technology·deals.delivery·Dec 18, 2021MSI Launches Real HDMI 2.1 Ready Optix M281URF 4K Gaming Monitor with 144Hz Refresh Rate