The Sun Fire V20z server delivers high performance, reliability, and scalability in a low-cost, ultra-dense, rack-optimized 1U form factor. With a single architecture, the Sun Fire V20z server supports both 32-bit and 64-bit computing, allowing you to maintain your existing x86 infrastructure while still enabling a smooth migration to next-generation 64-bit operating systems and applications.This product is compatible with the following CPU options:X9835A,9835A,X9836A,9836A,X9837A,98 37A.