Dell F5990 Intel Pentium 4 single-core processor operating at 3.20GHz with 800MHz front-side bus and 512KB L2 cache. Socket PGA478 form factor enables compatibility with legacy desktop systems from the Pentium 4 era (circa 2004-2005). Designed for standard office computing, basic productivity applications, and light workloads on older platforms where processor upgrades are required. This refurbished unit has been tested and guaranteed to meet original specifications and is available via quote.