Intel Celeron-M SL63Z single-core processor operates at 1.20GHz with 133MHz front-side bus and 256KB L2 cache, designed for Socket PPGA478 mobile platforms. This refurbished unit targets budget-conscious laptop and ultraportable deployments requiring basic productivity and web browsing workloads. Compatible with Intel 855/845 chipset-based systems from the early-2000s mobile era, it delivers low power consumption suitable for extended battery life in legacy notebook designs. Typical applications include general office computing, email, and light document processing where thermal and power constraints limit higher-performance processors. This unit has been tested and guaranteed to specification; available via quote.