
These cables do not support 1440p/144Hz. When I pushed a cable above 60Hz it flickered. at 85 Hz it was intermittent, about once a minute or so. At 100Hz, 120Hz or 144Hz it was constant, couldn't really be used and in fact I had to restart my computer into safe mode more than once. I recently got a $21 "GearIT 2-Pack, Gold Plated DisplayPort to DisplayPort Cable" that supports 144Hz at 1440p with no issues. Since the cheaper product has much better performance and design, I cannot give this product more than one star.

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