The right drive. If you bought a computer before 2011 & youre looking to upgrade to an SSD, the Crucial v 4 SSD might be just what youre looking for. Designed to deliver substantial performance for mainstream computers, the Crucial v 4 SSD was created to complement the abilities of your system. Since computers made before 2011 typically have slower data transfer capabilities than newer systems, theyre best-suited for the Crucial v 4 SSD, which was built with these transfer speeds in mind.