Why are solid-state drives quieter and more durable than hard disk drives?

Created from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.

Solid-state drives (SSDs) are quieter and more durable than hard disk drives (HDDs) primarily because they contain no moving parts.1

In contrast, a traditional hard disk drive relies on a complex mechanical assembly that includes spinning platters—which can rotate at speeds up to 15,000 revolutions per minute—and a moving read/write head that must precisely navigate across the disk surface. This mechanical operation generates noise and makes the drive more susceptible to physical damage, such as from drops or vibrations, because the delicate components are in constant motion.12

By utilizing flash memory chips instead of spinning disks, SSDs eliminate these mechanical vulnerabilities and the associated noise, resulting in a more robust and silent storage solution.31