The Integral Arc USB 3.0 is a durable and stylish flash drive that will look great alongside a modern desktop or laptop computer and will fit perfectly on a set of keys for easy portability. Arc has a USB 3.0 interface, enabling SuperSpeed data transfer between USB and compatible PCs and Macs. Key Features - Zinc alloy casing - Capless - Carry on your keyring - USB 3.0 SuperSpeed hardware - USB 3.0 works in USB 2.0 compatible computers (at USB 2.0 transfer speed) - PC and Mac compatible - 2 year warranty Specification Up to 80MB/s Read / 5MB/s Write (8GB) Up to 110MB/s Read / 9MB/s Write (16GB) Up to 110MB/s Read / 18MB/s Write (32GB) Up to 110MB/s Read / 20MB/s Write (64GB)