If you are not ready yet to switch out your motherboard, Transcend"s USB 3.0 Expansion Card will allow you an opportunity to reap the benefits of USB 3.0 transfer speeds. This easy-to-install card enables you to add revolutionary new USB 3.0 ports to any desktop computer with a PCI Express slot, delivering data transfer rates up to 10 times faster than Hi-Speed USB (USB 2.0) with optimized power efficiency.The Expansion Card"s PCI Express 2.0 x1 connection interface is compatible with virtually all current motherboards, and guarantees unrestricted two-way communication between your PC and any USB devices you plug into the card. With two SuperSpeed USB 3.0 ports, which have bandwidth up to 5Gb/s, Transcend"s USB 3.0 Expansion Card is ideal for use with new USB 3.0 high-capacity external storage devices, such as external hard drives and USB flash drives.