The Transcend's JetDrive 820 SSD utilizes the PCIetrade; Gen3.0 interface to unleash next-generation performance, instantly revitalizing your MacBook Pro, MacBook Air, Mac mini, or Mac Pro. Upgrading your Mac with a Transcend JetDrive 820 allows you to increase storage capacity to up to 960GB, ensuring you have plenty of space for your documents, photos, music, and videos. Transcend's JetDrive 820 utilizes the PCIetrade; Gen3 x2 interface paired with the latest 3D NAND flash, resulting in compelling performance of up to 950Mbps read and 950Mbps write. Transcend's JetDrive 820 gives you fluid, real-time performance for professional tasks, video editing, and 3D graphics. Developed by Transcend, the JetDrive Toolbox helps maintain a healthy and efficient SSD by keeping it up-to-date, preventing functional degradation, and predicting problems before they happen. The JetDrive Toolbox clearly displays drive information, S.M.A.R.T. status for possible drive failure, a health indicator showing estimated lifespan remaining, and firmware upgrade.