Comment on IdeaPad U300s matches MacBook Air -- for $100 lessparentComments−pedalpete14yAccording to Wikipedia, HDMI 1.3 & 1.4 can support 2560x1600 and much more. http://en.wikipedia.org/wiki/HDMI#Version_1.4At the same time, I have no idea what version this laptop is supporting, but seeing as 1.3 is already 5 years old, I'd suspect that is the minimum currently supported.
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According to Wikipedia, HDMI 1.3 & 1.4 can support 2560x1600 and much more. http://en.wikipedia.org/wiki/HDMI#Version_1.4
At the same time, I have no idea what version this laptop is supporting, but seeing as 1.3 is already 5 years old, I'd suspect that is the minimum currently supported.