My monitor has DP and DVI-Dual Link ports support 120hz (such as XL2411P, XL2430, XL2720), can I use video adapters such as HDMI to DP, or HDMI to DVI Dual Link to be a workaround solution to achieve 120hz on console?

Sorry, we can’t guarantee any video adapter comes from 3rd party, since we can’t guarantee its spec and quality which may vary. And also, since the timing output from those video adapters may not consist with industry-standard timing, even it may work, then monitor will continuously show a warranty message (For example: Incorrect cable. Please use the DVI dual-link cable that came with your monitor).