Alienware AW2521HFL 25" IPS LED FHD FreeSync and G-SYNC Compatible Gaming Monitor (DisplayPort, HDMI, USB) Lunar Light RNHC4 - Best Buy
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Xiaomi releases a new 24.5-inch gaming monitor with a 240 Hz refresh rate and HDMI 2.1 support - NotebookCheck.net News
Amazon.com: Acer Predator XB272 bmiprz 27" Full HD (1920x1080) NVIDIA G-SYNC TN Monitor, (Display Port & HDMI Port, 240Hz) : Everything Else
Acer Nitro ED270 27" Full HD 240Hz Curved Gaming Monitor - Newegg.com
Is HDMI 2.0b capable of running a 240Hz monitor? : r/PcMasterRaceBuilds
Used - Like New: ASUS ROG Strix XG258Q 24.5" Full HD 1080p 240Hz 1ms Eye Care G-SYNC compatible FreeSync Esports Gaming Monitor with DP dual HDMI - Newegg.com