The ruggedized SanDisk Extreme Portable SSD delivers high-speed transfers with up to 550MB/s read speeds.** This makes it perfect for saving and editing hi-res photos and videos. With an IP55 rating, it also stands up to rain, splashes, spills and dust.(1) | *1GB = 1,000,000,000 bytes; 1TB=1,000,000,000,000 bytes. Actual user storage less. | **Based on internal testing; performance may be lower depending on drive capacity, host device, OS and application. 1MB=1,000,000 bytes. | (1) IEC 60529 IP55: Tested to withstand water flow (30 kPa) at 3 min.; limited dust contact does not interfere with operation. Must be clean and dry before use. | (2) Up to 2M (6.5') on a concrete floor | (4) Shock-resistant (up to 1500G) and vibration-resistant (5g RMS, 10-2000 HZ), Non-Operating Temperature (from -20 degrees Celsius to +70 degrees Celsius), Operating Temperature (from 0 degrees Celsius to +45 degrees Celsius) | (5) Password protection uses 128-bit AES encryption and is supported by Windows 10, Windows 8.1, Windows 7 and macOS High Sierra, Sierra or Mac OS X El Capitan.