The JetDrive Lite series is specifically designed for MacBook Air and MacBook Pro with Retina display computers. Transcend's JetDrive Lite expansion cards are a quick and easy way to gain the additional space you need without adding any bulk to your MacBook computer. Simply insert JetDrive Lite into the card reader slot on the side of your MacBook and instantly boost your storage capacity. JetDrive Lite cards are built with the highest quality MLC flash and can achieve read speeds of up to 95MB/s and write speeds of up to 60MB/s. Perfect for Time Machine backups, iTunes libraries, or anything inbetween. With a flush profile that's tailormade for each MacBook model, Transcend's JetDrive Lite expansion cards are designed to seamlessly integrate with your MacBook. JetDrive Lite expansion cards include the free download of Transcend's exclusive JetDrive Toolbox software which allow users to recover the accidentally deleted images, videos, MP3 and PDF files in just a few easy clicks. JetDrive Lite flash expansion cards are manufactured using advanced COB (chiponboard) technology, making them resistant to water, dust, and shock. So regardless of what kind of adventures you decide to embark on with your MacBook, you can count on JetDrive Lite expansion cards to keep your data safe.