High-speed transfers with up to 550MB/s read speeds let you move hi-res photos and videos fast (Based on internal testing; performance may be lower depending on drive capacity, host device, OS and application.) Ruggedized, water- and dust-resistant (IP55-rated) (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.) Shock-resistant solid state core for greater durability (Shock-resistant (up to 1500G) and vibration-resistant (5g RMS, 10-2000 HZ), Non-Operating Temperature(from ‐20°C to 70°C), operating temperature (from 0°C to 45°C)) Compact and pocket-sized For PC and Mac users Built by SanDisk, a technology leader and pioneer of the modern day SSD, to deliver superior performance 3-year limited manufacturer warranty Order with your Alexa enabled device. Just ask ""Alexa, order SanDisk External SSD.