Dell UltraSharp 42.51" 4K Monitor - Manual (Page 22)

22 | About your monitor
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 battery
icon) with BC 1.2 compliance devices; up to 0.9 A on the other 3 USB
downstream ports; Up to 3 A on USB-C downstream port (port with
icon) with 5 V/3 A compliance devices.
Your monitor has the following USB ports:
• 4 upstream - at rear.
• 5 downstream - 2 at bottom, 3 at rear.
Power Charging Port - the ports with battery icon supports fast current
charging capability if the device is BC 1.2 compatible. The USB-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. If the USB cable (A to C or C to C) is plugged in, the USB
ports work normally.
Otherwise, follow the OSD setting of Other USB
Charging, if the setting is “On in Standby Mode” then USB ports 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 Gen 2) device
Transfer speed Data rate Maximum power consumption (each port)
Super speed+ 10 Gbps 4.5 W
Super speed 5 Gbps 4.5 W
Hi-Speed * 480 Mbps 2.5 W
Full speed * 12 Mbps 2.5 W
NOTE: Device speed when High Resolution is selected.
USB 2.0 Device
Transfer speed Data rate Maximum power consumption (each port)
Hi-Speed 480 Mbps 2.5 W
Full speed 12 Mbps 2.5 W
Low speed 1.5 Mbps 2.5 W