High Speed: Support USB 3.1 10G, full speed. (Do not compatible with NZ XT B550 motherboards.;
PH741A: If one of the four corners has a beveled edge located at the bottom, choose Model PH741A.;
PH741B: If one of the four corners has a beveled edge located at the top, choose Model PH741B.;
Plug and Play: Exquisite and compact, easy to install and connect, without the need for additional drivers.; Multi-layer circuit board, lossless signal transmission. Solve the problem of USB cable direct insertion, affecting the aesthetics of the bad line and other issues.