1. PCIe USB 2.0 four-port expansion card, providing four 4 external A-type USB 2.0 (480Mbps) port
2. Support high speed: 480Mbps, : 12Mbps and low speed: 1.5Mbps data transmission mode Can operate multiple USB 2.0 / 1.1 devices simultaneously
3. Compliant with PCI Express Specification 1.0a and USB Specification Revision 2.0
4. Support hot plug function so that you can connect / disconnect the device without shutting down the system first
5. Can be used with various types of USB devices, including , removable drives, digital

Code camera, scanner, CD-RW, -ROM, PC camera, printer, etc.
Support Windows®2000, XP / 2003 / Vista, Win 7 32 / 64bit, support PCI
Express system with available PCI Express slots
Name: 4-port USB 2.0 expansion card
Main controller: MCS9990
Media interface: 4 x USB 2.0
colour:black
Material:ABS + Metal
size:Motherboard size: 67 x 60mm

Package Contents:
2 x 4 Port USB 2.0 Expansion Card
Note:
Even if a USB 1.1 device is connected to a USB 2.0 host adapter or USB 2.0 hub, it can only be limited to USB 1.1 speed.