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RE: CAC-1070 with Mac Pro (early 2009 with GTX 970)

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15-02-2016 at 15:20 #3462
MST1407
Keymaster

Hi broiler010,

When choosing 3840×2160 at 60HZ 4:4:4 the color depth need to go down to 8Bit otherwise the signal gets bigger than what HDMI2.0 has bandwidth for (18Gbps)…
In 4:2:2 the max color depth is 12Bit and in 4:2:0 you should be able to do 16bit