JetDrive™ 850 TS480GJDM850 Is your Mac getting sluggish? Transcend's JetDrive 850 SSD utilizes the PCIe™ Gen3.0 interface to unleash next-generation performance, instantly revitalizing your MacBook Pro, MacBook Air, Mac mini, or Mac Pro! Specifications: Interface Bus InterfaceNVMe PCIe Gen3 x4 Storage Flash Type3D NAND flash Capacity480 GB Operating Environment Operating Temperature0°C (32°F) ~ 60°C (140°F) Performance Read Speed (Max.)1,600 MB/s Write Speed (Max.)1,400 MB/s Warranty WarrantyFive-year Limited Warranty Warranty PolicyPlease click here for more information about the Transcend Warranty Policy.Warranty does not apply when JetDrive Toolbox's wear-out indicator displays 0% within the warranty coverage.