80523PY400512PE Intel 400MHz 100MHz FSB 512KB L2 Cache Socket Slot 1 Intel Pentium II Single-Core Processor

The Intel Pentium II processor delivers reliable, classic performance for enthusiasts and professionals maintaining legacy systems or building retro‑inspired workstations. Engineered for stability, this single‑core CPU integrates seamlessly into Socket 1 motherboards, providing smooth multitasking and responsive computing for everyday tasks, office applications, and light creative work. Its efficient architecture ensures low power consumption while preserving the robust reliability that made early Intel chips a benchmark for durability. Whether upgrading an existing vintage platform or assembling a dedicated machine for software testing, this processor offers a dependable foundation that balances heritage design with modern expectations.