4 Port PCI Express USB 3.0 with UASP - SATA Power

4 external USB 3.0 ports in a stacked layout

UASP support for more efficient data transfer

Fully compliant with USB 3.0 revision 1.0 specifications and Intel xHCI rev0.95 specifications

Built-in optional SATA power connector for bus-powered USB devices

Optionally provides up to 900mA per USB port

Backward compatible with USB 2.0 and USB 1.0/1.1 devices

Compliant with PCI Express 2.0 specifications

Includes a Low Profile/half-height installation bracket