4 Port 5Gbps USB 3.0 PCI-E Expansion Express Card
Super fast and high-capacity transfer solution, stable and reliable
Supports simultaneous operation of multiple USB 3.0, USB 2.0, and USB 1.1 devices
Supports 4 downstream ports for all speeds. Data Transfer Rate: Up to 5.0 Gbps
UASP support across all four ports , PCIe x4 interface compliant with PCI Express 2.0 specifications.

PCI Express card 4 port USB 3.0 with 5V 4-Pin Power Connector up to 5 Gbps Speed.
Upgrade your PC with support for the latest in USB technology with a 4-Port Super Speed USB 3.0 PCI Express Adapter Controller Card.
With quick and easy installation, you'll enjoy the lightning fast transfer rates of USB 3.0 devices performing at full speed potential.
Time-saving file transfers, up to 70% faster than traditional USB 3.0 when used with a UASP-supported enclosure.
Operating Systems:Windows XP, Vista and Windows 7 (with included drivers)Windows 8/8.1/10 - No additional drivers are needed for Win8/8.1/10Windows XP and Vista Users