Computer Hardware Terms, Glossary and Dictionary

PCI-X: PCI extended

PCI-X, also known as PCI extended, is an enhanced PCI bus. PCI-X is backward-compatible with existing PCI cards. The technology was developed jointly by IBM, HP, and Compaq. PCI-X doubles the speed and amount of data exchanged between the computer processor and peripherals.


Related Terms

PCI-X: PCI extended