SuperSpeed USB 3.0 supports transfer rates of up to 5Gbps - The actual transmission speed is limited by the setting of the device connected.
7 USB 3.0 downstream ports for standard desktop PCs.
Backwards compatible with USB 2.0 and 1.1 devices.
The PCI-E Port only support PCI-E X1/X16 slots.
Operating System Compatibility: Windows XP / Vista / 7/8.