Fully compliant with one-lane (x1) PCI Express 2.0 specification
Two (2) external 5Gbps SuperSpeed USB 3.0 ports
SuperSpeed USB 3.0 offers 10 times performance increase over Hi-Speed USB 2.0¹
USB 3.0 complies with Intel eXtensible Host Controller Interface (xHCI)
Up to 5Gbps maximum transfer rate¹ 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 mini 4-pin power connector for added power source to better support power hungry bus-powered devices³
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 Windows XP/Server 2003/Vista/Server 2008/7²
**To achieve the maximum throughput, the PCI-Express slot must be version 2.0 or higher. Performance per port may decrease if both ports are transferring data simultaneously due to limited throughput of the PCI-Express slot.
Electrical Specifications:
Power Input: mini 4-pin power connector
Output Voltage per Port: DC +5V
Output Current per Port: 900mA (max)
Operating Temperature: 0 ~ 40 C
System Requirements:
PC with 512MB of RAM and 1.0GHz or faster processor
¹ To meet USB 3.0 transfer speed, highest quality USB 3.0 cables and devices are required ² Supports both 32-bit & 64-bit OSes ³ Make sure the power is well connected, otherwise you will see "Power Surge on Hub Port" message error and no 5V bus power in USB ports.