Patent ID: 8851931

Claim:
A plug connector compatible to type-A Universal Serial Bus (USB) 3.0 standard, comprising: an insulative housing comprising a mating portion and a supporting portion; and a plurality of contacts retained in the insulative housing and divided into a first contact group and a second contact group, the first contact group comprising a plurality of first contacts each of which comprises a rigid first contacting section extending onto the mating portion, a first retaining section fixed in the insulative housing and a flat first soldering section, the first contacts comprising a power contact, a first signal contact, a second signal contact and a first grounding contact; the second contact group comprising a plurality of second contacts each of which comprises a resilient second contacting section protruding upwardly beyond the mating portion, a second retaining section fixed in the insulative housing and a flat second soldering section, the second contacts comprising a first pair of high-speed differential signal contacts, a second pair of high-speed differential signal contacts and a second grounding contact disposed between the first pair and the second pair of high-speed differential signal contacts; wherein the flat first soldering sections and the flat second soldering sections are supported by and exposed on a single side of the supporting portion.