I have an HP EliteDesk 800 G4 SFF with DisplayPort++ outputs, including the Flex IO port. My Acer K24 monitor supports 1080p at 144Hz but only has VGA and HDMI inputs. I cannot install a dedicated graphics card, and I have not been able to find a reasonably priced HDMI Flex IO module in Delhi, India. What is the best way to connect the PC to the monitor while keeping the highest refresh rate possible?
3 Answers
You probably do not need an HDMI Flex IO module. A properly rated DP-to-HDMI adapter is the simpler option, but avoid listings with vague specifications or only claiming 4K at 30Hz. Search specifically for 'active DisplayPort to HDMI 2.0 1080p 144Hz' and confirm that the adapter supports your PC’s DisplayPort version.
A DisplayPort-to-HDMI adapter should work for basic video output. However, many inexpensive adapters are limited to 1080p at 60Hz, so check the specifications carefully if you want to reach 144Hz. Also make sure the monitor’s HDMI input actually supports 144Hz; some models only allow that refresh rate through a specific input or resolution setting.
For 1080p at 144Hz, look for an active, one-way DisplayPort-to-HDMI adapter rated for HDMI 2.0 or 1080p/144Hz. The direction matters: your computer is the DisplayPort source and the monitor is the HDMI display, so avoid HDMI-to-DisplayPort products. Some higher-bandwidth adapters also need USB power, which can improve compatibility.
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