Dell P7958 3.4GHz Pentium 4 processor with 800MHz FSB, compatible with LGA775 socket systems. This single-core CPU delivers legacy-platform performance for older Dell desktop and workstation builds. Typical use cases include refurbishment of early-to-mid 2000s business desktops, educational labs, or compatibility replacements in existing P4 systems. The processor requires thermal solution installation and is suitable for environments where Windows XP or Windows 7 32-bit operation is sufficient. Not recommended for modern applications or concurrent multi-threaded workloads. This processor has been tested and guaranteed fully functional; availability and pricing available by quote.