PCI-Express USB 3.0 Expansion Card (4 x External Ports)

Compliant with PCI-Express Base Specification 2.0

Compliant with Extensible Host Controller Interface (xHCI) Specification Revision 1.0

Supports PCI Bus Power Management Interface Specification Revision 1.2

PCI-Express 2.0 1-Lane(x1) iIterface with Data Transfer Rate Up To 5 Gbps

Backwards Compatible to PCI-Express 1.0a with Data Transfer Rate Up To 2.5 Gbps

Internal HDD Power Connector for Supply Extra +5V Power to USB Ports, with LED Indicator