PNY''s PRO Elite USB 3.0 is Built for Speed & Convenience. Get the most out of the USB 3.0 port on your new computer. Experience USB 3.0 next generation speed performance with read speeds up to 400MB/sec and write speeds up to 180MB/sec! It?s the perfect solution for easily storing and quickly transferring all your large documents, high-resolution photos, HD videos, and more. USB 3.0 offers the same ease-of-use and plug-and-play capabilities as previous generations of USB technologies, but with exceptional speed improvements.Available in 128GB-512GB capacities. Features Interface: Sleek, USB 3.0 Flash Drive Read Speed: Up to 400MB/s Write Speed: 250MB/s Capacity: 512GB Compatibility: Most PC & MAC laptop and desktop computers with available USB 3.0 port. Backwards compatible with USB 2.0 Environmental Conditions: Operating Temperature: 0° to 60° C Storage Temperature: -25° to 85° C