Achieve transfer rates of up to 5Gbs, which is 10 times faster than USB 2.0. SuperSpeed USB 3.0 is the next generation higher performance connection between PCs and today's data intensive peripherals. With the higher bandwidth of USB 3.0 users can work faster and reduce the time required to transfer videos, music, image files, and data. Keep and use all you USB 2.0 devices and peripherals. The FileMate 4-port USB 3.0 PCI-E adapter card is compatible with USB 2.0 and USB 1.1 devices. Although transfer speeds will be limited by an older generation USB device, your USB 2.0 and 1.1 devices will still be compatible. Need more ports for all your devices Add four SuperSpeed USB 3.0 ports to your desktop PC with the FileMate 4-Port SuperSpeed USB 3.0 PCI Express adapter.