2026 - 01 - 16Understanding the Four Major Memory Types in Routers: Flash, ROM, RAM, and NVRAM – A Comprehensive Guide to Their Differences and Functions
This article provides a detailed analysis of the four core memory types in routers—Flash, ROM, RAM, and NVRAM—covering their definitions, data retention characteristics, capacity features, core functional differences, application scenarios, and selection/maintenance techniques. It helps users understand their division of labor logic and resolve related issues during usage and troubleshooting.
