Dell P2223HC 21.5" 16:9 IPS Monitor - Manual (Page 13)

About your monitor
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13
*To avoid signal interference, when a wireless USB device has been connected to a
USB downstream port, it is NOT recommended to connect any other USB devices
to the adjacent port(s).
7 USB Type-C upstream
port Connect the USB Type-C cable that came
with your monitor to the computer. This port
supports USB Power Delivery, Data, and
DisplayPort video signal. The SuperSpeed
USB 5 Gbps (USB 3.2 Gen1) Type-C port
supports Alternate Mode DP1.2 with a
maximum resolution of 1920 x 1080 at 60 Hz,
PD 20 V/3.25 A, 15 V/3 A, 9 V/3 A, 5 V/3 A.
NOTE: USB Type-C is not supported on
versions of Windows prior to Windows 10.
8 SuperSpeed USB
5 Gbps (USB 3.2 Gen1)
Type-A downstream
port (4) Connect your USB device.*
NOTE: To use these ports, you must
connect the USB Type-C cable (shipped with
your monitor) to the USB Type-C upstream
port on the monitor and to your computer.