W. MM USB 3.0 PCI-E PCI Express 4-Port with 4-pin IDE Power Connector Drivers CD, C1547

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Features:
Fully compliant with one-lane (x1) PCI Express 2.0 specification.
3 external 5Gbps SuperSpeed USB 3.0 ports.
1 internal 5Gbps SuperSpeed USB 3.0 port.
SuperSpeed USB 3.0 offers 10 times performance increase over Hi-Speed USB 2.0.
USB 3.0 complies with Intel eXtensible Host Controller Interface (xHCI).
Up to 5Gbps 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 4-pin IDE 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.

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 VL800 of the CD is for PCI Express Card.

Specifications:
Item size: 12 * 8cm / 4.7 * 3.1in
Item weight: 48g / 1.7oz
Package size: 15 * 13 * 3cm / 5.9 * 5.1 * 1.2in
Package weight: 105g / 3.7oz

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