The main advantage of solid-state drives (SSDs) over traditional hard drives (HDDs) is speed. SSDs utilize flash memory technology, which allows for faster data retrieval and write times, resulting in improved system performance and reduced boot times. Additionally, SSDs are more durable since they have no moving parts, making them less susceptible to mechanical failure. They consume less power, which is especially beneficial for laptops and portable devices. The combination of speed, durability, and energy efficiency makes SSDs increasingly popular in both consumer and enterprise computing environments.