The 2-port USB 3.0 SuperSpeed PCI Express Card adds SuperSpeed USB capabilities to your computer with two USB 3.0 A male ports. It connects internally via the PCI-E connector; simply install this card into an available PCI slot on your computer to add two USB 3.0 SuperSpeed A male ports. SuperSpeed USB supports transfer rates up to 5 Gbps, 10 times faster than USB 2.0. This card is ideal for quickly transferring large amounts of data from such devices as external hard drives, memory card readers, real-time video cameras, and other data intensive USB devices. Backwards compatible with USB 2.0, and also has improved power efficiency over USB 2.0.