Is your Mac getting sluggish? Transcend's Jet Drive 820 SSD utilizes the PCIe Gen3. 0 interface to unleash next-generation performance, instantly revitalizing your Mac Book Pro, Mac Book Air, Mac mini, or Mac Pro! Expand storage in a flash Upgrading your Mac with a Transcend Jet Drive 820 allows you to increase storage capacity to up to 960GB, ensuring you have plenty of space for your documents, photos, music, and videos. Feel the need for speed Transcend's Jet Drive 820 utilizes the PCIe Gen3 x2 interface paired with the latest 3D NAND flash, resulting in compelling performance of up to 950MB/s read and 950MB/s write. Transcend's Jet Drive 820 gives you fluid, real-time performance for professional tasks, video editing, and 3D graphics. Manage your drive with Jet Drive Toolbox Developed by Transcend, the Jet Drive Toolbox helps maintain a healthy and efficient SSD by keeping it up-to-date, preventing functional degradation, and predicting problems before they happen. The Jet Drive 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.