Specifications:

- Fully compliant with one-lane (x1) PCI Express 2.0 specification

- Three (3) external 5Gbps SuperSpeed USB 3.0 ports

- One (1) Power Over eSATA III 6Gbps SATA 3.0 port

- SuperSpeed USB 3.0 offers 10 times performance increase over Hi-Speed USB 2.0?1;

- USB 3.0 complies with Intel extensible Host Controller Interface (xHCI)

- Up to 6Gbps maximum transfer rate

- SuperSpeed USB 3.0 is backwards compatible with USB 1.0/1.1/2.0 devices (data transfer rate at 1.5/12/480Mbps)

- SuperSpeed USB 3.0 is fully compatible with original USB system, peripherals and cables

- Built-in with 15-pin SATA Power Connector for added power source to better support power hungry bus-powered devices

- Ideal connection for digital cameras, scanners, printers, external CD/DVD/Blu-Ray writers, hard disk drives, flash memory drives and etc.

- Fully Plug-N-Play and Hot Swap compatible

- Supports 32-bit & 64-bit Windows Vista/Server 2008/Windows 7/8/MAC OS 10.8.2 or above

*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.

System Requirements:

- PC with 512MB of RAM and 1.0GHz or faster processor

- One (1) available PCI Express 1.x or 2.x slot

- 32-bit & 64-bit Windows® Vista/Server 2008/Windows 7/8/MAC OS 10.8.2 or above

- 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.