Make use of that tiny PCI Express port and add more USB peripherals to your desktop with this I/O Crest SY-PEX20032 4-port USB 2.0 PCI Express x1 Controller Card! This controller card features a MosChip MCS9990 chip that provides four fully compliant USB 2.0 ports and is compliant with PCI Express 1.0 specifications.
The SY-PEX20032 is also backwards compatible with USB 1.1 and 1.0 devices. Just install this card into any available PCI Express x1 slot and enjoy more flexibility for your peripheral connections. This card is driverless when using supported operating system and devices connected through it's Hot plug and Plug & Play support!