Storage formats aren’t short-lived in the way CPUs and GPUs are; they last for decades, not years. Yet, when you zoom out and look at the storage types that have become obsolete, irrelevant, or downright inconvenient in 2025, there are quite a few on the list. At the same time, some old storage types still have their uses, such as USB flash drives, external hard drives, microSD cards, eMMC storage, SATA SSDs, and Blu-ray discs. There are four storage types, however, that dropped out of the zeitgeist years ago.