X1 Carbon 5th Gen, two DisplayPort 4K monitors @ 60Hz and power

X1/X1-Carbon series specific matters only
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devison
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X1 Carbon 5th Gen, two DisplayPort 4K monitors @ 60Hz and power

#1 Post by devison » Sun Nov 26, 2017 3:52 pm

Hi,

I just bought a X1 Carbon 5th generation. My initial impressions are very favourable, except for one issue that hopefully isn't a show-stopper - how do I plug my monitors and power into the machine at same time?

I have two 4K monitors with DisplayPort inputs (without USB-C charging). I chose the X1 Carbon since I believed the two USB-C ports could each drive a monitor.

But, I'm surprised to note one of these ports is needed for supplying power from adapter too!

How can I connect two 4K monitors (@ 60 Hz) while also supplying power to the laptop?

Regards,
Dan

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Re: X1 Carbon 5th Gen, two DisplayPort 4K monitors @ 60Hz and power

#2 Post by RealBlackStuff » Mon Nov 27, 2017 9:06 am

Fáilte to the Forum.

I suggest you try and find an adapter-cable and hook the 2nd monitor up to your HDMI port, such as these:
https://www.startech.com/AV/Converters/ ... r-4k~HD2DP
https://www.amazon.com/gofanco-DisplayP ... GN8KKVP7C1
https://www.amazon.com/SIIG-DisplayPort ... GN8KKVP7C1

OTOH, Lenovo probably wants you to spend more money and buy a dock:
https://support.lenovo.com/pt/en/solutions/pd029622
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devison
Posts: 2
Joined: Sun Nov 26, 2017 12:10 pm
Location: Dublin, Ireland

Re: X1 Carbon 5th Gen, two DisplayPort 4K monitors @ 60Hz and power

#3 Post by devison » Tue Nov 28, 2017 3:36 am

Thanks for reply.

Must admit I find it a very strange design choice that plugging the laptop into power would lose a monitor output!

Regards,
Dan

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Re: X1 Carbon 5th Gen, two DisplayPort 4K monitors @ 60Hz and power

#4 Post by ansible212 » Tue Nov 28, 2017 5:32 am

Lack of ports is not something that the X1 Carbon 5th Gen is typically criticised for...
X1C 5th Gen : WQHD : i7-7500U : 16GB : 256GB NVMe SSD : ThinkPad Thunderbolt 3 Dock : 2 x HP LP2475w : Win 10 64bit

X220 : Premium HD : i7-2640M : 8GB : 256GB Samsung 850 Pro : Mini Dock Series 3 with USB 3.0

X200s : WXGA : C2D SL9600 : 4GB : 256GB Samsung 830

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