The best cheap SSDs under $50 is impressive. They are as fast as more expensive SSDs and most of them replace sluggish hard drives to offer an immediate boost in boot-up speed and program launch. But an SSD is also valuable when it comes to durability. Since there are no moving parts to worry about, an SSD can create one of the best-performing environments for all modern laptops. With some modifications, an SSD can also be installed on a desktop computer.