A Crucial SSD uses a Marvell or Silicon controller to achieve fast read and write speeds, so your computer will boot super fast and you can quickly work with all your software. There are different types of Crucial SSDs. For example, there are both M2 disks and 2.5-inch models and they're also available in different storage quantities. There is always a SSD by Crucial that matches what you would like from a solid state drive.