User Manual

Chapter 1 Getting started 1-7
8.
Connect one end of the Thunderbolt 4 cable to the Thunderbolt connector of the computer, and the
other end to the Thunderbolt connector on the monitor. Lenovo recommends that customers who
require using the Thunderbolt™ input on their monitor purchase the "Lenovo Thunderbolt™ 4 cable
TBD".
For more information, go to the following:
www.lenovo.com/support/monitor accessories
Note 1: P27u-20 monitor supports Thunderbolt 4.
Note 2: is Thunderbolt 4 upstream port, is Thunderbolt 4 downstream port.
Note 3: Thunderbolt™ upstream port supports maximum output power 65W/96W (Super
Charging/Smart Power) and the PDO table is as below:
UFP Port A (65W/96W)
Super USB Charging
Smart Power
5V Fixed
9V Fixed
15V Fixed
20V Fixed
OFF
ON (96W)
5.00 A
5.00 A
5.00 A
4.80 A
OFF (65W)
5.00 A
5.00 A
4.30 A
3.25 A
ON (96W)
ON
5.00 A 5.00 A 5.00 A 4.80 A
OFF
Note 4: To enable Smart Power, please see " OSD functions" on page 2-3.
Note 5: Thunderbolt™ downstream port supports maximum output power 27W when super charging
Off and the PDO table is as below:
DFP Port B (27W)
Super USB Charging
Smart Power
5V Fixed
9V Fixed
15V Fixed
OFF (27W)
ON (27W)
5.00 A 3.00 A 1.80 A
OFF (27W)
ON (0W)
ON
- - -
OFF