The Rosewill RC-103 PCI 5 Port USB 2.0 adapter is a versatile expansion card that adds 5 ports (4 external, 1 internal) to your computer's USB 2.0 capabilities. Compatible with universal brands and models, this adapter is easy to install and offers plenty of connectivity options for expanding your computer's interface. Made by Rosewill, a trusted brand in computer components, this PCI adapter is a reliable and efficient solution for increasing your computer's USB 2.0 connectivity.