Lenovo ThinkVision P27u-20 27" 4K IPS Monitor - Manual (Page 12)

1-8 P27u-20 Flat Panel Monitor User’s Guide
9. Connect one end of the network cable to the Ethernet interface of the monitor and the other end to the
router.
10. Connect the Notebook Thunderbolt™ port to 1 st P27u-20 Thunderbolt™ upstream port, and connect the
1 st P27u-20 Thunderbolt™ downstream to 2 nd P27u-20 Thunderbolt™ upstream port for display Daisy
chain function.
Note: To achieve 4K 60Hz x 2 display Daisy chain on P27u-20, certificated Thunderbolt ™ 4 Notebook
and Thunderbolt 4 ™ cable that support transmission speed up to 40 Gbps are required.