Easily upgrade or add two additional 5 G Bits Super Speed USB (Universal Serial Bus) 3.0 ports to your computer with this Low Profile PCI Express Bus card. Finished to a high standard, the card allows for an easy & safe installation with as few tools as possible. Each of the cards external ports are protected against short circuiting with a silicon fuse & gold-plated finger contacts limit oxidisation inside the computer helping extend the useful life of the card.