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Will T470 run two 4k monitors?

T430 and later, plus T530 and later series specific matters only
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Will T470 run two 4k monitors?

#1 Post by Olwe » Thu Feb 20, 2020 11:54 pm

I've got a T470 in a docking station. I'm running one 4k monitor from the docking station DisplayPort. But the only other ports on the docking station are VGA and DVI. The T470 itself has an HDMI, though. So could I run two 4k monitors with one on the docking station and one on the laptop's HDMI?

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Re: Will T470 run two 4k monitors?

#2 Post by dr_st » Fri Feb 21, 2020 3:23 am

The HDMI port will only run 4K @30Hz, I think.

You should be able to use the USB-C port on the laptop itself for 4K @60Hz DisplayPort output.

Whether there is an overall bandwidth limit, I am not sure. I recall there is at least one thread here where someone posted all the definitive answers about multiple screen output on laptops of this generation.
Thinkpad 25 (20K7), T470p (20J7), Yoga 14 (20FY), T430s (IPS FHD + Classic Keyboard), X220 4291-4BG
X61 7673-V2V, T60 2007-QPG, T42 2373-F7G, X32 (IPS Screen), A31p w/ Ultrabay Numpad, A21m 2628-GXU

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