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. Built with the highest quality MLC flash, the JetDrive Lite can achive read speeds of up to 95MB/s and write speeds of up to 60MB/s.