【Storage Expansion】 Transcend's JetDrive Lite 360 is a card that easily expands the storage of your MacBook Pro Retina 15-inch. With a capacity of 256GB, it's perfect for data storage. 【Compatible Models】 It's compatible with MacBook Pro Retina models from Late 2013, Mid 2014, and Mid 2015, and can be easily installed without special tools. - Brand: Transcend - Model Name: JetDrive Lite 360 - Storage Capacity: 256GB - Compatible Models: MacBook Pro Retina 15-inch (Late 2013, Mid 2014, Mid 2015) - Warranty: 5 years - Model Number: TS256GJDL360 Thank you for viewing. New, unopened, and unused.