PCIe 2 Port USB 3.1 Type A + 1 Port USB 3.1 Type C + 1 Internal 19 pin port USB 3.0. Equerres High and Low Profile

FEATURES
PCIe x4 Lane USB3.1 5Ports Host Adapter
One USB 3.1 Type C 5V3A downstream receptacle socket
Two USB 3.1 Type A downstream receptacle sockets, each port 5V2A bus power
One Internal 2Ports USB3.0 ICC socket, each port 5V2A bus power
Compliant with Universal Serial Bus 3.1 Specification Revision 1.0
Compliant with Intel eXtensible Host Controller Interface (xHCI) Specification 1.1
Compliant with USB Attached SCSI Protocol Specification 1.0
Supports SuperSpeed+ (10 Gbps), SuperSpeed (5 Gbps), HighSpeed (480 Mbps), FullSpeed (12 Mbps), and LowSpeed (1.5 Mbps) transaction
Support USB3.1, USB3.0, USB2.0 devices
Compliant with PCI Express Specification 2.0
Low Profile PCIe Form Factor
Regular size PCIe bracket on board and Low Profile PCIe Bracket included
USB3.0 Dual Port Internal Connector (USB3 ICC) Pin Assignments
        Vbus,  RX1-,  RX1+,  GND,  TX1-,  TX1+,  GND,  D1-,   D1+,  ID
        Vbus,  RX2-,  RX2+,  GND,  TX2-,  TX2+,  GND,  D2-,  D2+,
Require an empty PCIe 2.0 or PCIe 3.0 x4 or x8 or x16 slot in computer for USB3.1 full performance
When optional 15Pin SATA power installed, 5x USB power from power supply sufficient 12V instead of mainboard PCIe 12V Max 25W
Windows 10, Win8, 8.1, Server 2012, Mac10.8 to 10.10, Mac10.12, Linux kernel 2.6.31 and later OS in-box USB driver natively support UASP, no additional driver required
Mac 10.11 in-box driver Not support USB3.1
Fully RoHS compliant