Amazon.com $20.23 go to store Amazon.com SIIG JU-000042-S1 PCI Adapter USB 2.0 4-port Dual Profile RoHS Retail Adds 4 Hi-Speed USB 2.0 (480Mbps) ports to your system--with full backward support for USB 1.1 devices;Installs in standard height or low profile system chassis;Works with a variety of USB 2.0/1.1 devices including hubs, data storage devices, PC video... ... more Product Info SIIG JU-0000