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The Lenovo Thinkpad P50S (FHD - no touch version) screen comes with 2 different screens according to the specs. CLICK HERE TO SEE THE SPECS
15.6" FHD, 1920x1080, anti-glare, LED backlight, IPS, 250 nits, 16:9 aspect ratio, 400:1 or 500:1 contrast ratio, 160° viewing angle
AND 15.5" (394mm) 3K (2880x1620), anti-glare, LED backlight, IPS, 350 nits, 16:9 aspect ratio, 1000:1 contrast ratio, 160° viewing angle
Color gamut - 100% of the sRGB range
Color depth - DeltaE Color 2.35 / Grayscale 3.33
Color Accuracy - Output can be changed anywhere from 8 bits to 16 bits.
The dock is limited in a single DP 1.2 bandwidth but there is a 'branching device' in the nVidia topology that can handle 3 1080p monitors (2x digital + 1 VGA).
You can probably run 2 in 10 bit mode but the quality will degrade with the VGA.
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