Features:
Add four USB 3.0 ports to desktop computer through a PCI Express slot
Chipset: NEC UPD720201
Power by PCIe slot, but still built-in power-enhanced Molex 4 pin LP4 male Interface
Support USB hot-plug function Comply with PCI-Express Specification Version 2.0;
Comply with USB 3.0 Super Speed specification version 1.0, Maximum transfer rate of up to 5Gbps, up to 10 times of USB 2.0, Backward compatible with USB 2.0, USB 1.1, USB 1.0 Comply with xHCI specification version 1.0
Supports PCIe 1x, 4x, 8x, 16x Slot
Supports Windows XP / 2003 / Vista / win7 / win8 / 2003 / MAC 10.8 above systems
Specification
Bus Type: PCI Express
Mounting Type: Full Profile PCI slot cover
Chipset: NEC UPD720201
Interface: 4x USB 3.0 Port Type-A
Data Transfer Rate: USB 3.0 - 5 Gbit/s
Connector Type (s) 1 - PCI Express x1 Male
External Ports: 4x USB 3.0 Port Type-A Female
Internal Ports 1 - Molex 4 pin male