However, they have undergone significant change over time. In order to satisfy the growing demands for speed, bandwidth, and versatility in contemporary computing environments, theirummy tiger vs dragonr functionality and design have changed. PCI slots serve as a link between the motherboard & a variety of hardware options that can improve a computer's performance, so their importance goes beyond simple connectivity. The types and specifications of PCI slots have evolved along with technology, creating a wide range of expansion cards to meet different needs.