4 TB Grey NVMe Read speed: 1050 MB/s Write speed: 1000 MB/s USB Type-C Housing material: Metal Password protection Hardware encryption ACCELERATED PERFORMANCELarger files and more content demand next-level performance. The My PassportSSD delivers read speeds of up to 1050MB/s and write speeds of up to 1000MB/s, and capacities of up to 4TB so you can access your digital world anytime, anywhere.PASSWORD PROTECTION WITH HARDWARE ENCRYPTIONYour digital world is invaluable. Help keep your data safe with password enabled 256-bit AES hardware encryption and simple backup.TAKING DURABILITY TO GREATER HEIGHTSCarry your data with confidence. The My PassportSSD has a bold, metal design that is tough enough to handle whatever comes your way. Shock and vibration resistant. Drop resistant up to 6.5ft (1.98m).SIMPLE BACKUPIncluded backup software makes it easy to enable simple back up of high-capacity files to your drive or cloud service account. Set it and forget it! Compatible with Apple Time M