The Intel i486 SX 80486 CPU A80486SX-25 is a vintage computer processor with a clock speed of 25 MHz and a single core. It is designed for use in systems with a Socket 2 socket type, making it compatible with a limited range of motherboards. This processor, measuring 2 inches in height, length, and width, is a classic relic from the early days of computing, offering basic processing power for specific computer components and parts.