This handy JetDrive 520 solid state drive upgrade with SATA 600 is designed to increase your storage space and the performance of your Mac. With 240GB of space, you can backup your data and documents easily. With a capacity of 240GB, this internal solid state drive has a large storage space for all your documents and data. Have data stored faster with SATA/600 interface that optimizes burst performance. Includes tools, instructions, and a slick aluminum USB 3.0 enclosure to reuse your original SSD.