Dell U3224KBA User Manual page 30

Universal Serial Bus (USB)
This section gives you information about the USB ports available on your monitor.
NOTE: Up to 2 A on USB downstream port (port with
icon) with BC 1.2 compliance devices; up to 0.9 A on the other 4 USB
downstream ports; Up to 3 A on USB-C downstream port (port with
icon) with 5 V/3 A compliance devices.
Your computer has the following USB ports:
• 2 upstream - 1*TBT + 1*USB-C at rear.
• 8 downstream - 2*USB-C + 1*USB-A at bottom, 1*TBT + 4*USB-A at rear.
Power Charging Port - the ports with
charging capability if the device is BC 1.2 compatible. The USB Type-C downstream
port with icon supports fast current charging capability if the device is 5V/3A
compatible.
NOTE: The monitor's USB ports work only when the monitor is on or in
Standby Mode. On in Standby Mode, if the USB cable (A to C or C to C) is
plugged in, the USB ports can work normally. Otherwise, follow the OSD
setting of Other USB Charging, if the setting is "On in Standby Mode"
then USB work normally, otherwise USB is disabled. If you turn off the
monitor and then turn it on, the attached peripherals may take a few
seconds to resume normal functionality.
Super speed USB 10 Gbps (USB 3.2 Gen2) device
Transfer speed
Super speed+
Super speed
Hi-Speed
Full speed
30 | About your monitor
Data rate Maximum power consumption (each port)
10 Gbps 4.5 W
5 Gbps 4.5 W
480 Mbps 2.5 W
12 Mbps 2.5 W
battery icon supports fast current
battery