Asus R506A - Manual (Page 21)

Notebook PC E-Manual 21
LAN port
Insert the network cable into this port to connect to a local area
network (LAN).
USB 3.0 ports
These Universal Serial Bus 3.0 (USB 3.0) ports are backward
compatible to USB 2.0 and USB 1.0 devices such as keyboards,
pointing devices, flash disk drives, external HDDs, speakers,
cameras and printers. These ports have a transfer speed of up
to 5 Gbit/s.