USB3.1 brings many improvements to the previous standard USB3.0. The most noticeable is the new Type-C connector which is much smaller than the previous standard connectors, it is also reversible.
Another feature is called “Alternative Mode
Supports USB-C input and DisplayPort output
Supports DisplayPort 1.2 Altmode
Supports per lane data rates of 5.4Gbps (HBR2), 2.7Gbps (HBR) and 1.62Gbps (RBR)
Supports content protection of HDCP
Supports DisplayPort resolution up to 3840x2160@60Hz