SSD-CT250MX500SSD1 MX500 2.5 in 250 GB SSD Drive. The Crucial MX500 internal solid-state drive (SSD) has a capacity of 250Gb and holds all your irreplaceable files. It loads and saves almost everything your system does. It is used to join more and more people who keep their family videos, photos, music and important documents on an SSD. This SSD gives near-instant performance and lasting reliability that comes with solid-state storage. It is a drive built on quality, speed and security that is all backed by helpful service and support. It has 560Mbps read and 510Mbps write sequential speed.