The technology commonly used for personal data storage on devices includes solid-state drives (SSDs) and cloud storage solutions. SSDs provide fast and reliable local storage, ideal for applications requiring quick access to data. On the other hand, cloud storage allows users to store data remotely on servers managed by third-party providers. This method offers flexibility, accessibility from various devices, and enhanced data security. Together, these technologies enable users to manage and retain personal data effectively while balancing performance and convenience.