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Thanks.
You need to double check with Lenovo what is the DP version included in your hardware. With that piece of information you can consider the following DisplayPort bandwidths:
The resolution you are interested to set will require approximately 14.93 Gbps of total Signal Bandwidth. In theory, depending on your DP version you could be able to set the resolution. But, you also need to check with Lenovo is this is a valid resolution for their hardware, I checked your computer specifications and this resolution is not listed.
For reference visit:
https://en.wikipedia.org/wiki/DisplayPort DisplayPort - Wikipedia
https://k.kramerav.com/support/bwcalculator.asp Bandwidth calculator - Kramer Electronics
http://psref.lenovo.com/syspool/Sys/PDF/ThinkPad/ThinkPad%20X250/ThinkPad_X250_Platform_Specifications.pdf http://psref.lenovo.com/syspool/Sys/PDF/ThinkPad/ThinkPad%20X250/ThinkPad_X250_Platform_Specifications.pdf
Amy C
Intel Customer Support Technician
Under Contract to Intel Corporation
