Dual 4K display support. Charging Port ThinkPad Slim-tip Port. DisplayPort: 3840 x 2160 @ 60 Hz, HDMI: 3840 x 2160 @ 60 Hz, Bundle DisplayPort 1 & DisplayPort 2 to the monitor: 5120 x 2880 @ 60 Hz,, "Maximum resolution" refers to what can be supported by the dock.
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