I'm using this with a Mac Pro and a 34" widescreen LG curved monitor with a resolution of 3440 x 1440. I used to use the shorter Belkin Thunderbolt to HDMI cable, but I needed a longer one Cable. At first I thought it wouldn't work as the screen was very blurry, but then I found that I had to change 30Hz to get a sharp picture. Not optimal for me, but the only option at the moment as real Thunderbolt cables of this length are hard to come by and very expensive.
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