Feature
Instantly add four USB 3.0 ports (two external ports, and two via 20-pin header to 3.5 inch front panel) to your desktop via an available PCIe slot. And thus you can enjoy the blazing fast speed of the latest USB peripherals at transfer rate of up to 5 Gbps. The card's PCIe 2.0 x1 host interface offers up to 5 Gbps bus bandwidth to match USB 3.0 standard. In addition to drawing power from PCIe slot, this card also has a built-in 15-pin SATA power connector for enhanced power supply to handle power-hungry devices.
Specification
Add 4 USB 3.0 ports(2 x Type A + 20 Pin Internal to floppy bay front panel) through a PCI Express slot
Compatible with PCI-Express 2.0 standard
Compatible with Super Speed USB 3.0 5Gbps standard, backwards to USB 2.0 and USB 1.1
Compatible with XHCI specification 1.0
Chip set : NEC UPD720201
Maximum transfer speed : 5Gbps
Power by PCIe slot, no extra power adapter is needed, but still built-in power-enhanced SATA 15pin male Interface
Supports PCIe 1x, 4x, 8x, 16x Slot
Support Windows XP / 2003 / Win7 / Win8 / Vista / Linux
3.5 inch Front panel equip 2FT USB 20pin to 2 port USB-A female splitter cable, fit almost all standard computer chassis