Experience lightning-fast processing speeds with this powerful Sun 501-6009 CPU X2580A. Boasting a 400MHz Bus Speed and 8MB cache, this UltraSPARC II processor is perfect for running complex applications with ease. Made by Sun, a leading brand in the tech industry, this CPU is a must-have for anyone looking to upgrade their computer's performance. Whether you're a gamer, video editor, or just need a faster computer for everyday use, this CPU is sure to exceed your expectations.