Asus D425MC User Manual page 15

Option A:
a
USB 3.1 Gen 1 Type-A port
b USB 3.1 Gen 1 Type-C port (for data transfer only)
c d
USB 2.0 ports
Option B:
a b
USB 3.1 Gen 1 Type-A ports
c d
USB 2.0 ports
Option C:
a b c d
USB 3.1 Gen 1 Type-A ports
ASUS Desktop PC 15