STARTECH PEXUSB400

4 INDEPENDENT PORT PCI EXPRESS CTLR MULTILINGUAL

"Add four independent USB 2.0 ports capable of a maximum transfer rate of 480Mbps per port to a PCI Express PC
The PEXUSB400 4 Port PCI Express USB 2.0 Adapter Card lets you connect up to 4 USB 2.0 external peripherals to your PCIe-enabled computer, with unique capability to provide full high-speed USB data transfer rates of up to 480 Mbps on each port independently.

The high-speed adapter card installs easily in an x1 PCI Express slot, and with 4 independent USB 2.0 ports, can address up to 127 USB devices per port for a maximum of 508 USB devices. This adapter also includes one shared internal USB header for connecting internal USB 2.0 peripherals.

This product is backed by StarTech.com’s Lifetime Warranty and FREE LIFETIME technical support."
" * Four independent/dedicated USB 2.0 ports ensure that you get the maximum performance possible from your connected USB 2.0 peripherals
* Each port supports up to 127 USB devices, enabling a maximum of 508 connected USB peripherals
* Backed by a StarTech.com lifetime warranty and free lifetime technical support"