This Sun Microsystems UltraSPARC II CPU is a powerful and reliable choice for your server needs. With a clock speed of 450MHz and 4MB cache, it can handle even the most demanding applications and databases. This CPU is compatible with Ultra 60, 80, 220R, and 420R systems, making it a versatile and useful addition to your server components. Whether you're running a business or hosting a website, this Sun Microsystems CPU will ensure high performance and reliability.