Add 4 external USB 3.2 Gen 1 ports to a low-profile or standard computer through PCI Express. Highlights: - 4 external USB 3.2 Gen 1 ports in a stacked layout - UASP support for more efficient data transfer - Fully compliant with USB 3.2 Gen 1 revision 1.0 specifications and Intel xHCI rev0.95 specifications - Provides up to 900 mA per USB port - Backwards compatible with USB 2.0 and USB 1.0/1.1 devices - Compliant with PCI Express 2.0 specifications - Includes low-profile/half-height mounting bracket