Asus P2451FA E-Manual page 27

USB 3.2 Gen 1 port
The USB 3.2 (Universal Serial Bus 3.2) Gen 1 port provides a
transfer rate of up to 5 Gbit/s and is backward compatible to USB
2.0.
VGA port
This port allows you to connect your Notebook PC to an external
display.
Security slot
This security slot allows you to secure your Notebook PC using
compatible Notebook PC security products.
Notebook PC E-Manual 27