The MAXPower USB 3.1 Gen 1 4-port PCIe card gives you more options. Four more options, in fact. Four high-power, high bandwidth USB ports for Mac Pro and PC with maximum wattage and data throughput, for a total of up to 5 Gb/s and 15W.
Power
With up to 15 watts of total power to fully charge and power your USB devices, you won't have to mess around with plugging and unplugging devices to keep them powered and charged any more.
Performance
Up to 5 Gb/s total data transfer speed means you can use all your USB devices at their maximum speeds. With this much available bandwidth, you can do much more with your devices.
