Features:
Supports PCI Express2.0 X 1Lane, can transferring up to5Gbps MAX.
Supports USB 3.0 specfication typeA Connector X 2ports.
Backward compatible to USB 1.1/USB 2.0.
Supports the following speed data rate: Low-speed(1.5Mbps)/Full-speed(12Mbps)/High-speed(480Mbps)/Super-speed(5Gbps).
Suppots PCI Low profile.
Supports External power plug in order to supplying power for each USB3.0.
Up to 900mA MAX/port.

System Requirements:
PC with 512MB of RAM and 1.0GHz or faster processor.
1 available PCI Express 1. X or 2. X slot.
32-bit & 64-bit Windows Vista/Server 2008/Windows 7.

Note:
To achieve the maximum throughput, the PCI-Express slot must be version 2.0 or higher. Performance per port may decrease if multiple ports are transferring data simultaneously due to limited throughput of the PCI-Express slot.
To meet USB 3.0 transfer speed, high quality USB 3.0 cables and devices are required.
Supports both 32-bit & 64-bit OSes.
Make sure the power is well connected; otherwise you will see a " Power Surge on Hub Port" message error and no 5V bus power in USB ports.
The file NEC(Renesas)-201-202-DR-WIN-20120531 of the CD is for PCI Express Card.

Specifications:
Item size: 12 * 6.5cm / 4.7 * 2.6in
Item weight: 44g / 1.6oz
Low Profile Bracket size: 8 * 1.8cm / 3.1 * 0.7in
Package size: 15 * 13 * 3cm / 5.9 * 5.1 * 1.2in
Package weight: 111g / 3.9oz

Package list:
1 * PCI Express Card
1 * Low Profile Bracket
1 * Software Drivers CD
1 * User Manual