The dual-processor Sun Fire V20z server, first in a new line of AMD Opteron-based servers from Sun, 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. The Sun Fire V20z server also offers exceptional flexibility and choice through support of multiple operating systems, including 64-bit Red Hat and SUSE Linux, as well as 32-bit Red Hat Linux.