Features:
Supports 5 x USB 3.0-TYPE-A 1 x19PIN 5Gbps. Hot-swapping feature allows you to connect/disconnect devices without powering down the system. Operating Systems:
Windows XP, Vista and Windows 7 (with included drivers)
Windows 8/8.1/10 - No additional drivers are needed for Win8/8.1/10
Windows XP and Vista Users Please Note:Due to OS limitations, the real transfer speed after installation of the respective drivers will be located between the level of USB 2.0 and 3.0

Specification:
Name: 5-port USB3.0 expansion card
Main control chip: Renesas uPD720201+Genesys GL3520
Bus interface: PCI Express x1, x2, x4, x8 or x16 socket
Interface: USB3.0 interface x 5
Size: approx. 12 * 8.2 * 1.8 cm/ 4.72 * 3.2 * 0.7in
Weight: Approx. 92.5g / 3.3oz

Package list:
1 x 5 Ports+19PIN PCI-E to USB 3.0 Expansion Card
1 x Driver CD

Note:
This PCI-E card is only compatible with standard-sized tower cases (not mini computers).
To ensure sufficient power supply and smooth transfers,particularly for large data transfers,it is necessary to connect the card to the power supply of the PC.